You're in the minority. Just about every open source project that I use has a "Donate/Contribute" link somewhere on their website/Github, and I see articles constantly about projects being shut down or archived because the developer couldn't afford the time investment anymore due to lack of income. I keep a list of open source software I use so I can donate every couple of years to pay them for their work, and I've run into maybe 2-5 projects out of the dozens of donations I've done over the years that either don't have a donate option or just tell you to donate to a charity instead (eg. Unlock Origin)