Quite simply it can be seen that with meetings today etc the combined efforts of the opposition parties is to humiliate Johnson ( though so far Cummings efforts to do the same have been very effective ) - his do or die and die in a ditch and its 31st Oct I guarantee pledges will all come back to haunt him. He will be forced to ask for an A50 extension and it will be granted by the 27 because it will be needed to have a GE, get an outcome and hopefully get through the impasse.
The plan will be to have the guy on toast - he has destroyed his own slender majority, got his allies in the DUP under direct threat from Sinn Fein, emboldened the SNP, many many MP's are not standing at the next GE so the BP will be looking at those vacant seats for a chance to make gains, he has lost important people like Ruth Davidson putting seats in Scotland in jeopardy, he has lost support from members of his own family even so when the GE comes all this will be aimed at him plus his constant lying from the one years ago that got him sacked, lying to his ex-wife to lies to the nation over prorogation and not wanting a GE.
I pointed to most of this before he became PM - he is the best thing to happen to the Tories if you are a non-Tory. Any campaign will be taken out of his hands ( like his premiership has been ) as it will be a constant battle to defend himself personally rather than any major policy issues. I have no idea how a GE will work out but with the BP snatching seats off them and his bungling dismissal of Tory stalwarts - no forgetting his own small majority under threat - I am in no doubt Johnson will not be leading his party to a GE victory any time soon.