In the early days of video streaming services, I thought Netflix would become something like Spotify, where I could eventually watch everything. Spotify, Apple

In the early days of video streaming services, I thought Netflix would become something like Spotify, where I could eventually watch everything. Spotify, Apple Music, Google Music and all the other offers basically have the same repertoire, minus some specials. You will mostly be happy with choosing a single one. That is what I also would to like have for movies and series. Why is it different with visual media?