What you fail to mention is that they are doing this for a profit.
There is nothing wrong with that. My services to the Hobie Class are not completely free, although the hourly rate is well below minimum wage, and I'm certainly not making a living off of it.
I'm sure Jill and Robbie would be the first to tell you that they're not rolling in dough, either.
You want to make a small fortune in the marine business? Start with a large one.