I mean, it's clearly a tu quoque for Google (although apparently a inadvertant one according to the author's comments here?), but it falls a bit flat since Mozi

I mean, it's clearly a tu quoque for Google (although apparently a inadvertant one according to the author's comments here?), but it falls a bit flat since Mozilla doesn't have a multi-billion dollar malware business with which to bankroll its projects, and thus has nontrivial opprotunity costs for continuing any given project, as well as for the reasons you mentioned.