It also makes sense because primevideo.com looks like it was built from scratch and isn’t integrated in the “normal” Amazon.tld that’s not available in a lot of

It also makes sense because primevideo.com looks like it was built from scratch and isn’t integrated in the “normal” Amazon.tld that’s not available in a lot of countries. It was very buggy in the beginning and incrementally got improved, they probably couldn’t move that fast if it was integrated into the main site too.