First, these guys are the real hackers. Not Carmack, Woz, Bill, or Zuck, or all the super-cool guys that made the bucks and then coasted (technically). These guys are living the life just because they love it. They're a much better representation of the inner hacker in all of us than those stories of riches and fame. I got the impression they would continue doing this no matter what their financial circumstances.
Second, they've done their time. Somebody should set them up with an annuity so they can a) continue, b) learn to live without worrying about money, and c) tell stories to kids 40 years from now about how it all came together
Third, this article left me gobsmacked. I'm left with one conclusion: this is art. If you're collecting these crayon receipts? Save them. They're going to be worth something one day.
Of course, just like the game plays out, it might all amount to nothing. If I had to bet about the value of their work, I'd say it drops off short-term (next 20 years) then becomes super valuable around 2030 or so. This seems to be the pattern with semi-famous labors of love with cult followings. Seriously. Save whatever you can get from these guys.
Very cool story.