An Interesting read about how Discovery was financed.
Some bits of note...
Before Discovery aired, CBS president Les Moonves admitted to investors that Netflix had paid the production budget for the show. That's right, in return for the rights to host the latest Star Trek product outside the US and Canada the streaming firm had paid for all the up-front costs. CBS All Access, therefore, got a free show.
So even if a new subscriber subs up and pays for a month and then drops, CBS AA made money.
Discovery proves that there is a market for some sort of well-made and modern Star Trek franchise. As things stand now, CBS is getting the show at little cost and is building a name for it, in part, thanks to the work Netflix has put into promoting the show.
So basically this means... that people paying for Netflix are subsidizing Star Trek... even in places like the US where you can't watch it on Netflix!