Comment It's just business (Score 1) 1127
That's just business (free business in most cases).
Sure, you only get a few bright shining stars like Firefox. Try to look at it as a matter of market share though. How many bad programs are there for Windows? Now look at how much more marketshare Windows has.
Linux just doesn't have enough share to make large enough libraries of crap to get a lot of bright sparks.