If "the liberal left would knife Jeremy immediately", how would that be a problem for Theresa, aken? It might even take some of the heat off her. And of course he is well used to being knifed by fellow members.

I wasn't saying such an understanding between the parties would actually happen, but that inviting it is a very obvious move for Theresa May, or any replacement Tory leader who gets thrown up by them in the next few days. Whether it came to something, or came to nothing, either way it would tend to help her (or her replacement).

We know of course from the whole business of this election that Theresa May is in some ways remarkably arrogant and obtuse, in common with her predecessor in regard to his referendum. (Both in setting it in motion, and it not laying down ground rules to reduce the risk of it going the wrong way for him, such as a minimum margin of victory, or a requirement that all the countries in the UK needed to agree to a change, or even extending the vote in the referendum in the way that it had been in Scotland for their referendum, in which 16 year-olds and settled tax paying immigrants were able to vote) But you'd think there'd been someone in her entourage who'd played some game more complicated than Snap in their time.
.........
Theresa May's bizarre Downing Street speech announcing that she was ignoring the humiliating election result - which she didn't mention - brought to mind Maggie Thatcher's initial response to the vote by Tory members which she hadn't actually lost. "We will fight on and fight to win". I suspect Theresa May's bid to hold on to power by cosying up with the DUP might have the same kind of lifespan.