Earlier quoted context omitted.
Not relevant here. Yes, you can donate to Mozilla.org and stipulate whatever you like, but Mozilla.org does not develop Firefox so telling them to use it for developing Firefox will do about as much good as telling them to use it to resurrect unicorns. Mozilla.org owns Mozilla Corporation, which is a for-profit entity that develops Firefox, but thus far the corporation hasn't wanted the complications and restrictions…
Everything I can find online says that there are contributors working for both Mozilla Foundation and Mozilla Corporation
Unless you grind them up and eat them as sausages, but don't do that. The anti-theft threads will get stuck in your teeth.