Sure, those projects were un(der)funded in the 80s and 90s but the reason we talk about them today is because of the huge amount of investment - both direct and in kind - that VC backed companies have managed to give to many of them.

I think it’s easy to forget how long ago it was when FOSS truly was the outsider and wouldn’t be touched by most companies.

Mozilla/Firefox started in 1998 and then started taking ad revenue from Google in 2005, which pays for a large chunk of its development. It’s been part of the Silicon Valley money machine for 20 years, most of its existence.