They wouldn't be paying anyway. If they really wanted to play without paying for a subscription, they would be on a private server running an up to date version of the game.
While the technology will probably eventually arrive, CGI actors won't replace real ones. The general public wants a connection with famous actors. They want social media, interviews, gossip, embarrassing photos, photos from charity events, visits to hospitals, etc. On screen performance is only one part of being a famous movie star.