For a long time I've been baffled about what amounts to testing at Apple. I purposely avoid new releases for at least a year due to Apple's history of releasing

For a long time I've been baffled about what amounts to testing at Apple. I purposely avoid new releases for at least a year due to Apple's history of releasing beta-grade OS X updates. Testing seems to be an afterthought or maybe the users ARE the test suite. From one of the biggest tech companies on the planet as well - unfathomable.