That's a desperate grab- why bother.
The main followers are general public, who have been ignored for decades by the two main parties. The situation is now so dire, that only radical cuts in spending is required. No money goes abroad, welfare bill slashed, mass deportation of people who are not here legally. Cuts to un- essential services.
The other side tax breaks for businesses to kick start the economy.
The tasks are enormous, UK is trillions in debt, spending hundreds of billions on interest just to stand still each year.
The pain for the UK is going to be far far worse even than now. But if people see a government doing what they ask, the Brits will stick with them