That's a nice idea. But Open Source authors have lives too. Friends, Family, etc. as much as I'd like to live rent free, I wouldn't want to move into a "camp" for Open Source authors.
All it takes is just one rich person (there are many in tech) who believes in the idea (or some variation of it) and it can be done.
That said, I was mostly thinking of young/single people when I wrote it. People with kids have more challenges