To disagree with you as I feel I should -
The west of england mayor wasn't exactly FPTP, it involved a count of second choice votes.
which is a tiny bit better (not that it helped in this case)
have you seen the straw-drawing here
https://www.theguardian.com/politics/2017/may/05/lib-dem-and-tory-candidates-draw-straws-in-northumberland-vote
it decided the colour of the whole council