> ceremonial roles designed to ‘shelve’ MPs

https://en.wikipedia.org/wiki/List_of_stewards_of_the_Chilte...

It's hardly unprecedented for an MP to resign. What is almost unprecedented is immediately standing for election again: it's not a revolving door, you're supposed to fuck off and stay out. Especially not to pre-empt an investigation into your conduct. It is indeed a farce.