If Tor is going to be a built-in feature of Firefox, most employers are going to flag it as malware. This is a ridiculously dumb thing on so many levels -- promote privacy by directing your network traffic to "volunteer" proxy services?
Plus, users do not understand what Tor is or how to use it.
Fighting political battles with software is dumb — the end result is going to be a permanent loss of freedom, as governments force the use of platforms with trusted app stores.
If you're using TLS, it doesn't matter so much if the exit node is malicious because they still won't be able to read it.
Obviously I’m being downvoted into oblivion, but I truly feel this is a solution looking for a problem.