Maybe, but in almost every single browser topic here on
There are some changes that I'll agree with you on. I hate the Australis UI change, but the Classic Theme Restorer plugin does fix most of that. But I'll call BS on the rest.
There were a number of changes (say from v25-35 timeframe) where they removed the ability to turn things on and off by removing the controls from the about:config interface. Can't fix that with CSS or an extension if the code to do what you want is completely gone.
And don't get me started on the stupidity of the Chat/Loop/webrtc thing they just added as a core tech
I don't believe there's a conspiracy to kill FF, but there's been so many stupid decisions lately by Mozilla that a conspiracy actually starts to look slightly believable.