I don’t understand how they are supposed to “sell your data” if you just never use a Mozilla account and uncheck all the telemetry. Its not like they can secretly steal your data, since its Open Source.
It seems to me like just more FUD that Google is spreading to undermine our trust in free software.
The privacy centric way for Mozilla to have address this would have been to:
Yup, its been terribly handled. Dunno if it was driven by a panicy lawyer, but those steps would have been much better. At a minimum, that blog post should have come first.