"They" are going to eventually realize that one of the primary draws and reasons for the early success of Netflix was the single-source-access to (at the time) pretty much everything.

Nobody wants to maintain a dozen different accounts with a dozen different services who have a dozen different content catalogs with a dozen different payments and have to bounce between them all to find what they want to watch.

It's much easier to just pirate or pick a different form of entertainment at that point.