Easily disproved lies, go have a look at the wine APPDB if you're not just trolling. Most of the time if something doesn't run right, it's due to DRM or bleeding edge DX features.
Every time I try I find either bronze or silver. Graphical glitches in five year old games aren't "bleeding edge DX" problems.
It really depends on the game. I've had consistent success playing StarCraft and Warcraft III multiplayer with Wine. Morrowind and Oblivion also work well in my experience.