> As explained a number of times, the vote was about whether we left, not how we left.
You conveniently miss out the bit before the vote, i.e. the campaigning, which was all about how we'd leave. Kind of like ignoring the manifesto or election promise. I seem to recall phrases like "the easiest deal in history", not "we will not be able to agree among ourselves on the best deal, let alone with Europe, so we will leave with the worst 'deal' that is logically possible which is no deal".
The point is now moot though. We are where we are. The winning Tory candidate, whoever it is, could try to leave with no deal. Whether they'd succeed is another matter - I doubt it. Yet, if they did succeed, the outcome could well destroy the Tory party - a wrecked economy and civil unrest would not go down well with Tory voters (i.e. the masses beyond party members and MPs) who tend to value the economy and and law and order highly.