Vaguely reminiscent of an earlier controversy regarding qmail's removal from OpenBSD ports:
https://marc.info/?l=openbsd-ports&m=99867604230539&w=2
But that one was much more fierce, with the exchange culminating in:
> If you are not capable of understanding the difference, please, in the interest of mailing list pease [sic] and to be kind to our user community, why don't you just FUCK OFF? [1]
By comparison here it's rather mellow:
>> You will revise your mozconfig [...] to remove the following: [...]
> I will do no such thing [...]
before you consider to use Pale Moon.