If apple, one of the most controlling companies on the planet, thinks it's okay for their users to install any extension they want, why does Mozilla feel justi

If apple, one of the most controlling companies on the planet, thinks it's okay for their users to install any extension they want, why does Mozilla feel justified to do the opposite? What risk are they trying to mitigate, and was it worth pushing addon developers away from their browser too? Their reasoning? https://blog.mozilla.org/addons/2019/10/31/firefox-to-discontinue-sideloaded-extensions https://blog.mozilla.org/addons/2019/10/31/firefox-to-discon... No wonder people abandoned them. Mozilla is the digg of browsers.