Updates are under public view, and users can trust that this process is hard to infiltrate. Silent addon-installations in the background, which appearently can

Updates are under public view, and users can trust that this process is hard to infiltrate. Silent addon-installations in the background, which appearently can be even pinpointed to specific usergroups, are not. Mozilla can anytime do anything on your system, without anyone watching them, and people just learned the hard way about it.