I agree. I also don't think this is something that's formally solvable in the general case, at least not in a way that's practical for distracted and non-techni

I agree. I also don't think this is something that's formally solvable in the general case, at least not in a way that's practical for distracted and non-technical users. Instead, this is the kind of thing that needs to be solved on the policy level: Google and Mozilla have an interest in maintaining high-quality extension ecosystems, and ought to take a dim view of these kinds of ownership transfers.