New BoJo policy: meanness

We can expect more stuff like this as May approaches. Trade union activist John has a little vignette about BoJo being a tightwad:

During a “walkabout” he posed with a local singer/songwriter and street “busker” Claire Toomey for a photo opportunity. As he stood with Claire, who was singing a new song, she had written called "Found”, he started “smiling wildly” and waving a £20 note as if he was about to give her the money in appreciation of her musical talents.

What a generous guy?

However, once the accompanying photographers had finished taking pics, he immediately put the £20 note back into his wallet, thanked Claire, then walked off quickly to have his picture taken with the next mug. Claire was not amused.

Maybe BoJo watches Extras? Or does he need the 20 quid to help pay for his Routemaster conductors?