What people sometimes don't understand about monopolies, specially of a new product, is that the competition, in additions to all the competition that already exists for internet, is simply not having it.

SpaceX can just asked for an absurdly high price, because if they want to sell into the broader consumer market, people aren't going to pay 1000s of $ a month to watch Netflix.

That is called the monopoly price:

https://en.wikipedia.org/wiki/Monopoly_price