I only started working here a few months ago so I'm still forming my thoughts, but I definitely agree with the general notion that there needs to be some better external visibility/clarity of what we're doing. I can tell you the people here are the most passionate I've met about what they're doing and the organization's mission as a whole, which excites me to log on for work every day in a way that other jobs haven't. As for negative reactions online, well, it's the internet and that's bound to happen. It's only reasonable to expend a certain amount of energy correcting people vs focusing on the work that matters.
It's true that the Internet in general attracts negative reactions. But Mozilla is based on the Internet, so don't you think that these reactions are representative of the true demographic and that they should be given more weight?