I kept my opinions to myself when Microsoft required that people save their data in "My Documents" as part of the Windows certification process. Now, My Documents is more like "My Junk" and I have to have my own private My Documents section elsewhere.
I kept my opinions to myself when Microsoft forced a firefox addon that I couldn't remove and only fixed it after outrage in the Firefox community.
Firefox is not your browser. It's my computer, not your computer. You don't install stuff without asking. Ever. Period.
Yes, I registered just to complain. Go ahead. Delete the thread and ban me if I'm in violation but dangit, you keep your hands off my Firefox.