Which British workplace ethical sin do you find most unforgivable?

Presenting a colleague's idea as your own in the Monday meeting. Career climbing built on nicked graft.

Senior staff scapegoating graduates and interns when things go pear-shaped. Cowardice dressed up as management.

Labelled, dated, and still devoured by some chancer in accounts. A petty crime that reveals true character.

Staying late purely for show and making others feel lazy for leaving at five. Toxic productivity theatre.

Private DMs full of snide remarks about the very people you just smiled at in the kitchen. Digital two-facedness.