If you're a country not depending on imports/exports for anything crucial maybe yes, otherwise you're the little guy with no leverage that has to bend over and take it.

Having the last prime minister’s policies blocked by the EU would have been quite helpful. I don’t believe anything she did would have run afoul of EU rules though, but she didn’t have a lot of time.

Keep inflation high enough, and it isn't technically a recession...

Brexit accounts for a very small part of the current inflation.

There is little doubt that the economy is going into recession, though. And raising corporation tax is only making things worse...

Cutting taxes didn’t go down a treat.

Because of the whole package, not because of corporation tax specifically, which was not a tax cut but a cancellation of a planned tax increase.