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.
(sorry I took some time to come back to this) I’m not entirely sure the #5 of OSD would apply to the binary results (even though they are considered derivative work). GPL does restrict the license of the binary, but it seems MPLv2 allows licensing the binary differently as long as you don’t restrict the code further: