This is the movie Carry On Politics.
Keir Starmer may be in even worse trouble than Boris, as he has said over and over that Boris should resign over the covid parties.
The truth is, the rules were very strict and somewhat impractical for people working together. Put them in a room with a computer and they weren't doing much wrong. Insert a can of beer into a person's hand and it's a party.
It's certainly terrible optics. And a breach of trust. But when you are in a war with Putin and seeing worrying things in the economy, it just isn't top of the list of priorities.