Ange was wrong in what she said, and the history reveals how much chaos such a precedent would create, we would have had nearly twice as many GEs as we actually have.
Since 1900 there have been 12 "elected" Prime Ministers, many of whom served more than 1 term. There have been 18 "unelected" PMs, some of whom subsequently went on to win a GE mandate.
After the news broke about the 3 year-old in the crocodile pen, there was a spate of SM posts surmising the attacker was of something other than White British extraction.
"Five men have been injured in a series of suspected anti-Muslim attacks as a bare-chested man was seen roaming the streets of Edinburgh with a large weapon."
https://www.bbc.co.uk/news/articles/cx2xg6lwz5jo