Genuine question, why does Mrs Brown's Boys get so much stick?
It's a bit of an acquired taste. I only watched a couple, from series 1 I think. It's like a 70s sitcom with crass stereotyped characters, especially the gay one. It's done with affection for the tradition of mad but loveable Irish mamies, I'll give it that, but you could see the jokes coming a mile off. Maybe the later ones are better.
I don't mind a bit of silly, retro, see-the-joke-coming comedy (eg Miranda) but I couldn't find MBBs worth persevering with.