The difference is the ability to play on legitimate Steam servers vs. needing to do a shitload of work doing whatever you need to do with a hacked version of Steam.Blizzard said:And what's to stop anyone from easily pirating a Source engine game, if they're willing to do sketchy things with maps?![]()
If the demo still existed, all someone would have to do to download maps from the full version is connect to a server running them. With a pirated version, it wouldn't be nearly that easy.