I thought the comedy was going to have been too stupid to give this any higher than a 7. But the action setpieces are just that great. Absolutely exhilarating.

An 8 is the absolute minimum I can give Megalopolis.
Despite the many minutes each appear on screen, the main character is not Adam Driver, Nathalie Emmanuel, or Giancarlo Esposito. It's Francis Ford Coppola.
In the 70's he was a maverick, making subversive films about America as one of New Hollywood's flagbearers. He's lived a lot of life. He has watched New Hollywood get absorbed by the studio system. He has watched the rebellious youth of 3 or 4 generations…