One of the things I'd like to do is explore complex geometry, just because i think its cool. Just because a machine is at the frontier doesn't stop me from deriving meaning from it, just like the existence of great artists shouldn't stop anyone from painting. The chance that you make it big enough to have significant impact on society has been pretty slim regardless even without ai.

The Culture series by Ian M. Banks dwells on this question somewhat. The answer, in a society not dominated by capitalism, is whatever we find meaningful.

Play games, write essays, explore the world, ask questions and find answers.