I think it's people deciding that "good enough" is good enough. In any case, with today's rapid development and update cycles, it's easy to fix mistakes. Fast,

I think it's people deciding that "good enough" is good enough. In any case, with today's rapid development and update cycles, it's easy to fix mistakes. Fast, good, cheap; pick any two. 80% of the people only use 20% of the features anyway. And they never see the bugs that drives the remaining 20% of the people nuts.