The internet world is changing at a rate that infrastructure struggles to keep up with. With 5g cellular service on the horizon, the days of wired based internet access are numbered, IMO. Obviously rural locations will always be a challenge.
However, even wired based internet service is experiencing bandwidth offerings that were absolutely unheard of, just a few years ago. My company is in an area served by Fios and we pay a mere $450/mo for 500/500 service!
Campground wifi systems would have to be updated frequently to handle these changes, even assuming the CG resides in an area served by these high-speed offerings. Even then, at 500/500, I can't imagine even that would service a hundred streaming connections or more, simultaneously.