Because it was weird. Lots of "you'll get it once you try it" products fail because they can't convey what their value proposition is. On top of that, their mar

Because it was weird. Lots of "you'll get it once you try it" products fail because they can't convey what their value proposition is. On top of that, their market was already limited to PC gamers who wanted a controller (which was already a comparatively small market at the time), plus were willing to go with something non-standard that they'd have to tinker with to get working.