[autoexec]

I assume the real answer is that because the moment they did there'd be a thousand forks and nobody would use Mozilla's browser anymore

Updates would probably slow down a lot, but I doubt that everyone would stop working on it, and that nobody new would step up to maintain whatever the most popular folks were.

[Aerbil313]

Your comment is assuming that people don’t get funding through ads for nonprofit open source projects is a good idea. Which they may not.