You think Trump was the first person to label people they dislike? You've had a sheltered life if so.
The PM pulled it because Parliament was obfuscating and didn't pass it in a timely fashion - in the timetable set by the Benn Act as appropriate.
Irrelevant hasbeen.
I hope he does stand. If he does I think he will attract votes from former Labour voters who will habitually never vote for the Tories. I think Tory-inclined leavers will vote for the Tories.