We do.

> This is about users having bad experiences when using Firefox.

Every company creates bad experiences for some users. Hell, I've had bad experiences with Apple technical support, the apparent gold-standard of customer support.

> Your positive experience in no way negates these bad experiences.

And vice-versa. So what? What's the point? If I can't share my positive experience, they can't share their negative ones?

Maybe you think comments like "My experience was bad" is helpful and worthwhile. Maybe. But only if the inverse is true.

So, don't complain when people share anecdotes you don't like. Either accept them, or don't.