I conceded and read the article.
My long spiel. (if you are going to oblige me to read that article).
Not a lot was said about Russia's ability to fund the conflict in the light of severely depleted weaponry, personnel and manufacturing facilities with a back drop of economic pain and sanctions affecting supply of critical parts - there's no suggestion that Russia, however innovative they could be, might suffer economic collapse before any 'tactical levelling' occurs..
The war for Russia isn't being lost in the skies or on the battlefield, they lost the war within the first few months as Ukraine's resistance has exposed the fragile infrastructure that has been under funded going back, arguably, to pre-WW1 years. The ICBM missiles chucked at Ukraine* to very little effect after collating all the scattered parts revealed circuitry from the 1960's. Russia, despite having a massive personnel advantage, struggled to contain Germany who were fighting on numerous fronts and were out numbered. Hitler's forces, like Napoleon, succumbed to geography and the elements but not to a superior military force. Estimates are that Russia lost between 8 and 11m men during WW2. They were infamously woefully short of weaponry in WW1.
The humiliation of the 3 day SVO [Russian acronym] (SMO - special military operation) has proved to be a litmus test and revealed not only the bubble that Putin (and Russians) have lived in but the flawed belief that they were an indomitable super power with unlimited military resources and were a nuclear threat. The so called 'super power' is so endemically corrupt and rife with propaganda, that the reality is that years of this system of governance mixed with corruption has left Russia weak to the core.
First: it's plain to see that the cold war leeched so much money from the state and that the 'nuclear arsenal was most probably a fraction of what we thought it was and the weaponry, sub standard.
Second, Russia has been for years 'high on it's own supply' of propaganda and arrogance.
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Third and most importantly (it ties in with the above), corruption is rife. It's expected that the heads of whatever pyramid within the pyramid will syphon off monies for a house that's very presentable (at the lower tiers) to yachts, mansions and apartments in Manhattan/Monaco/Tuapse/Sochi (take your pick) at the higher levels. Each head of whatever - be it military production or rail network maintenance, has to report to the Kremlin to say what a good job they are doing and how great Putin and Russia is whilst scattering residual funding to the project or the scheme or the proletariat for the most basic municipal provision. Nothing ever comprehensive and nothing ever completed without compromise (bar expensive shopping facilities in Moscow and St Petersburg). Any large scale project military or otherwise is held up with lashings of state TV endorsed greatness. The reality something far less or at least, 'progress' is very sporadic and gilded by careful media.
Relating directly to military aggression, every facet of the military from procurement, production, personnel, equipment, logistics (the list you can add with logic) have all been compromised due to the inherent corruption at every level. The training of military personnel is contracted and short and the basic equipment they use is sub standard (re.: flak jackets bought from China that don't do their job). The war is being lost in a cocktail of myopia, propaganda, inefficiency and a lack of cohesive co-ordination because the truth in any situation is rarely spoken, even in that laborious manner they seem to hold in high regard. The truth has landed many in prison or fallen foul to open windows.
Dwindling oil revenue that used to prop up the military, the state, the public spending and the syphoned but which the Ukrainians are decimating at a rate the Russians cannot repair is stark. If the war stopped now, the Russians would need up to 10 years to reach oil production that could fund the war and address state deficits, but only theoretically due to years of underfunding and corruption. I cannot emphasise the corruption enough and I cannot emphasise just how impoverished the country has become (outside of Moscow, St Petersburg and a few other places) with rubbish piling up, the dreadful state of roads, rail, bridges, schools, hospitals, sewerage systems - unless being used for the military. Plus people living in dilapidated concrete blocks built in the 50's, 60's, 70's on a shoe string. The author of that article did not mention glaring social issues in Russia nor the perilous state of the economy.
There are innumerable videos filmed by citizens in towns all over Russia begging Putin for basic services. The author never mentioned the dire state of these hospitals and schools in the various Oblasts. Yes, I realise the article was a long piece about warfare and strategy but the conflict and it's ultimate outcome cannot be viewed without the political and social backdrop in which it operates and from where it was born: The Ukrainians are fighting for their very existence, the Russian aggression is simply propagandised ego and muscle flexing - key to why the Ukrainians are innovating at a rate that the Russian military cannot compete with. One motive is far greater than the other.
The author also did not emphasise enough the near 1.5m loss of able bodied men in a country that already had population decline. This does not bode well for any future restructuring or prosperity. Never mind staffing a war effort with personnel heavy demand such is the brutal Russian strategy where men are often sent out to the 'meat grinder' to absorb cost at Ukrainian expense. Think about how sustainable that strategy is in military, manning and socio-economic terms.
*In an act that can only be described as desperate and in the light of dwindling weaponry, Russia launched ICBM's at Kyiv: 3 no less. A single Oreshnik missile cost an estimated $256m dollars if r&d is taken into consideration. Ukrainian FPV drones cost between $20 and $50k. One Oreshnik missile hit some lock ups on the outskirts of Kyiv and even Russian war bloggers were making jokes about it.
They are useless without nuclear war heads and are only accurate to +/- 5 miles.