Collecting personally identifying information has to be opt-in. They don't collect personally identifying information.
But even if it is not, hopefully the resulting media presence is enough to either kill Mozilla, or to ensure everyone at Mozilla that considers this a good idea is fired.
And yes, at the end of the day, it's up to the Datenschutzbeauftragte and the courts to decide, but I really do think that you delude yourself, if you believe this will go anywhere. They'd have locked up the entirety of Google and Microsoft multiple times already.
They have sued Google and Microsoft into the ground multiple times already. There’s a reason half of Google Photos and Facebook’s features aren’t available in Germany (including no face recognition).
Thilo Weichert, previous Landesdatenschutzbeauftragter of SH was constantly in the media due to constantly suing (and winning) against Google, Facebook and co.
Either way it is ethically questionable.
Another example of how evil mozilla has become.