No it is more likely about C= One and things like that, using original/enchanced hw design rebuilt with today's hw.
"(rather than give away)"
Any author can charge for his/her work it is his IP, not anyone else's to decide. Some people need the money to have the time to develop, some don't.
If you don't consider yourself lucky.
Some may encounter a situation in their life to either ask money or kill the project.
It is work like anything else, and you expect money for your work so it is safe to assume that others do the same...
e.g. the guy responsible for ccs64 is living on a low income, and if you can afford you should register it if you find it useful. If not, don't use it.