From the new terms:
When you upload or input information through Firefox, you hereby grant us a nonexclusive, royalty-free, worldwide license to use that information to help you navigate, experience, and interact with online content as you indicate with your use of Firefox.
I’ve always supported Firefox and ignored all the telemetry changes issues, after all you can just disable them in about:config, but after this I think I’ll switch to a fork. I installed zen browser, the only thing I want is syncing and extensions