So why's Boris turning out now, or more to the point what's he up to?
A couple of reasons imo. He wasn't brought in to turn labour voters to vote Tory. It was an attempt to get disillusioned Tory voters who are thinking of going to Reform or just vote for someone else to think again and his appeal to get them to stick with Tory. Damage limitation exercise.
So why did he come in at the end and not earlier? Once again imo bcos he doesn't really allign with many of Rishi's policies so he would never campaign for them. It's much easier to come in at the end, speak little about policy and just try gee everyone up.
Also by coming in at the end, he's made himself relevant, letting the party know, I'm still here bcos he knows after the election the Tories will be looking for a ray of light and so it's opportunism.
I thought it was very telling that Bojo and Rishi didn't share the stage or shake hands.
