[bob1029]

Charging money and banning at the payment provider level can be quite effective. It isn't a perfect answer but it cuts out gigantic chunks of the problem space.

I'll take a ~99% cheat-free experience over not having any improvement at all.

[kemitche]

Agreed, but in this particular case the blog writer was running private servers, rather than being Valve. They had no control over payment processing etc.