Earlier quoted context omitted.
The idea is to protect users, not hurt them in any way. Anyone can sign and run their own add-ons, or offer those add-ons for others to use. The only thing being restricted now is who can distribute their addons via addons.mozilla.org, which seems more than fair.
The idea might be good. The execution is harmful to users, and they refuse to roll it back. That's all that matters. Mozilla has shown this pattern consistently - they have an idea they think will be good for people, and when it ends up being hurtful and damaging not only the core product but the userbase - driving more people to alternate browsers - they steadfastly refuse to see what's going on around them. Frankly…
Howso? I've been using FF forever and I didn't notice this change…