I can't understand why you're getting downvoted so hard that your first comment is dead now. I'm with you, I don't expect the act of installing an extension to

I can't understand why you're getting downvoted so hard that your first comment is dead now. I'm with you, I don't expect the act of installing an extension to perform destructive actions. At the very least I would have thought you would need to click the toolbar button. Optimally it would display the full list of everything it's about to unfollow and have you confirm you're okay with that.