True, the more complex reality is that an unholy alliance was formed between the tax avoidance self interest group, along with 55 Tufton Street, the never-gone-away Atlantic Bridge crew, all neatly pushed along by the dark menace in the east.
There is no fix.
Except crashing out, having the army on the streets, food shortage riots etc. and it being so so bad that 'everyone' agrees that....
... an emergency joining of EFTA must happen, and with it being part of the EEA. And a customs arrangement with a customs border in the Irish...