I suggest it's because one can't just say it's botched and stop there. It requires 'confessions' - even if only to oneself. A high bar. /1
1. were wrong, e.g. fastest deal in history etc.
2. never accounted for Northern Ireland.
3. never properly considered customs.
4. relied on a very small number of 'house experts' e.g. Minford, North, Howe, Rotherham to underpin them. /2
It's *not* just a wrongness arising from these specific circumstances brought about by the May Govt.
Again, a high bar. /3
1. *Do* suggest the impasse is due to these specific circumstances brought about by May.
2. Call for a long extension to Art50 (c.2 years).
3. Or call for the Revoke-and-disrupt option.
/4
1. Support May's Deal (because you now understand it's a pig in a poke).
2. Push No Deal in any serious way (indeed you now have good reason to 'give up' on No Deal). /5
I'm sure it's just a coincidence. /ends