That would be much more sustainable than VC rat fucking the commons to make a buck while suckering in devs that were once good community stewards into dry husks that are only formed to generate profit.
Grants are a very effective model of support, it seems to work for entire industries + professions around the world. Even better when there is a body of professionals working democratically to decide which people should be awarded the grants.
Just because you have a failure of imagination doesn't mean others do.