@PublicLewdness@freespeechextremist.com
I do know last I checked they get some funding from Google (in return, it's the browser's default search engine).
@PublicLewdness@freespeechextremist.com
There were a few others if I recall, like "baidu".
They made something for each search last I checked.
We can always change unwanted settings.
There are more privacy focused (by default) forks of Firefox, like Librewolf.