Well, it wasn't the only thing that nearly killed Apple (they also had no software other than the OS), but it was a big part of it. But the clone ghost argument doesn't hold up anymore because the premise is totally different.The Apple clone market is what almost killed Apple in the 90s.
Back in the clone days, Apple had nothing except the computers. Today they're in at least five businesses at once (computers, software, cellphones, portable music/video players, music/movie sales) and the company would be able to survive somehow (I said survive, not remain unchanged) even if you sawed off four of those branches.
Also, since Mac evangelists generally argue that...
- PC hardware is junk that lasts a year, tops
- PCs are butt ugly
- PC manufacturers have horrible support and service
- Mac software-hardware integration is unsurpassable
- It's worth the premium / it's the experience that matters, not the price
...why would they suddenly run out and buy Mac clones?
You're saying they DO care about the price, after all?
Or maybe you're saying that a substantial part of the user base doesn't feel that PC hardware is any worse?