[pigeoninthepark]

Do they ever state why they turned down the 10 million?

[nickcarraway]

I think they say U2 doesn't take private shows.

Sometimes they are asked to perform for a dictator. I think that Beyonce was criticized for performing for a dictator in Central Asia.

[Captain Walker]

Do they ever state why they turned down the 10 million?

Drummer Larry Mullen has had a health issue which required the band to get a replacement for its recent performances. If the stipulation is that all four members play the concert, this might explain their lack of interest.