Not sure if it is the new management or just that they are finally waking up to de-facto versus real standards. I am a mozilla fan but they astound me at times when their decisions.
Gruber covering their iOS moves :: http://daringfireball.net/2014/12/mozilla_firefox_ios
Notice the callout on H264 video.
I am still baffled that on top of H264 they pretend HLS doesn’t exist – http://www.nokpis.com/2014/10/15/silly-mozilla/
Mozilla is a strange beast but I am happy to have them in the game – I think we all benefit from it but they could do a better job at making things people use and need versus pretend that standards always win.
Good luck to them!