Actually tons of editors have reversed their opinions with the subsequent updates.
As of 10.1 I don't think anybody thinks it's any kind of bad program anymore.
Initially it was mostly people not understanding that a "rewrite from scratch" is inevitably going to lose some of their features, but will provide a better foundation for future stuff. Plus, some professional users think that the rules of software development don't apply to them, and that some features they used in 2002 should continue to exist in 2014, because "we're pro". And Apple discontinuing fcp 7 prematurely didn't help with that either.