It's absolutely, utterly baffling that May has no intention to resign, and it's even more baffling that the people who voted no are not gonna force her to resign. It's like everyone is deliberately trying to make Brexit as much of an abominable mess as it could conceivably be.
The only thing the Tories hate more than the status quo is the thought of Prime Minister Corbyn.
In the US this is similar to what is termed impeachment insurance (ie Nancy Pelosi or even Mike Pence depending on your perspective), in Britain it should be called no-confidence insurance.