This outcome was anticipated much earlier in a 2006 interview with Mike Pinkerton (ex-Mozilla, now Tech lead for Chrome on Mac & iOS):
"And then, kind of, they lucked into Firefox. I mean, seriously, they got really lucky that Firefox — that Ben was able to execute so successfully, because I have no idea what would have happened to the Foundation without Firefox. It probably would have just blown up and you know, dried up and blown away. [...] And so they kind of transitioned from that to, “Well, okay, now we’re a corporation and we’ve got our big ticket item, and we’ve got to make sure as many people buy it as possible. And you know, and how do we continue to — how do we continue to ensure that revenue coming in?” You know, so they transitioned more from “Wow, we’ve got this great thing, let’s share it with the world!” To, “Well, we’ve got this great thing, we’d better keep making money off of it.” And I think a lot of those decisions have sort of tainted where the project was going. Bringing in — you know, they’ve got all this money, so now they bring in all of these marketing and manager people who haven’t been part of the community, who don’t understand why Firefox is successful, because they didn’t see what it was. They didn’t grow up through that failure to see why it’s a success and now they’re making the decisions to continue the success."
http://mozillamemory.org/detailview.php?id=7277