I've never played online games, and doubt I ever will, but I can see why some people do. One of my current favourite games has a really weak AI (I've never really minded, blowing up their planets while they just sit there making unarmed ships is fun , but some people do mind), so like NeoCracker said, people play online to avoid a dissapointingly boring / predictable / crappy AI. I think why I won't play them online is because I know I'd get utterly torn apart because there are people who are way better than me at the games I play that are online multiplayer...