For example IE6 was not reporting my location to MS despite me turning the option off. Just because some people are ok with that doesn’t make it less of a problem. It just makes it a different (bad) one.
And in the passive aggressiveness [0] of your comment you didn’t even think that there are far better reasons why IE6 sucked. If feels random and based less on long term use experience.
You write as if you’d be ok with Chrome stabbing you in the eye as long as it’s not a CSS hack, the single reference issue all browsers are benchmarked against.