Because until recently she was the Lord Chancellor and in charge of prisons. She had a narrow escape.
James Timpson is the prisons minister but he’s in the Lords. So the LC has to take the flak in the commons.
There’s an interesting angle on Timpson’s appointment which went unremarked at the time (July 2024). His brother (Edward?) was a Tory recruit and savaged by Labour for being a rich toff. Didn’t apply to his Labour supporting older brother though, apparently.