abrupt

[Collins]His abrupt departure is bound to raise questions.

How Gary Lineker's long BBC career came to an abrupt end
https://www.bbc.com/news/videos/c14kx2nyn7go

[Collins]An abrupt change or action is very sudden, often in a way which is unpleasant.
abrupt end
abrupt halt
abrupt change

He's fine. He knows how to lose a game.

Lineker apologises for sharing 'offensive' Zionism post with rat image
https://www.bbc.com/news/articles/c365ernrnlyo
[quote] Zionism refers to the movement to create a Jewish state in the Middle East, roughly corresponding to the historical land of Israel, and thus support for the modern state of Israel. [unquote]

The history of animal metaphors in propaganda
https://theweek.com/media/the-history-of-animal-metaphors-in-propaganda

Beware of rats and social media.