Given the history of Mozilla Mothership in general, and Firefox in particular, it would be no surprise to me:
https://digdeeper.neocities.org/ghost/mozilla.html
https://markssoftware.com/2018/04/08/mozilla-is-evil.html
https://www.lewrockwell.com/2018/08/no_author/mozilla-firefox-goes-all-in-for-evil/
https://github.com/Hunter-Github/evil-and-not-wholly-awesome-firefox
https://blog.mozilla.org/blog/2021/01/08/we-need-more-than-deplatforming/
(post is archived)