Firefox subreddit took part in that blackout nonsense when I was trying to find details about a flag; forget anything to do with Mozilla if they're for hiding information a whim; the API changes didn't even involve Mozilla in any manner
I was also a little irked at a bugzilla response about a request to allow importing local bookmark files on Firefox for Android asking who would would really use it. For real a privacy-respecting browser can't figure out why someone would want to not use their half-broken online sync? If Chromium had that, I'd have been off Firefox that same day.