[peeters]

I guess the first question is: why prevent people from doing this?

In my opinion, with games like this the ultimate goal of the server is to make sure one person doesn't ruin someone else's fun. Seems fine to let them ruin their own fun.

[pavel_lishin]

A lot of people play games to compete with their friends. If everyone's just hacking to maximize their score, the legitimate players - and these are the ones who see the ads, and therefore are important to keep around - will leave your game.