PBS is in a dying industry. Television. Perhaps another equally good public-private partnership will arrive. The Khan Academy and Wikipedia are something like that.
The PBS shows are bingeworthy. Seriously, take a look at SpaceTime. It's so much better than anything the Science or Discovery channel puts on. And I've binged on several topics in Crash Course
My kid watches PBS shows frequently. She has never watched TV in her life. But she knows PBSkids.org and asks for it by name.
There's a place for things like PBS. It's inexpensive, it's curated, and it's hard to mess around with.
Cause they're already doing that.