Apple can delete purchased movies from your library without telling you Turns out cloud storage is not all it’s cracked up to be. September 12, 2018 https://theoutline.com/post/6167/apple-can-delete-the-movies-you-purchased-without-telling-you
So the title does not quite align with the story. If you buy something, you can't expect the seller to keep a copy of that forever. If it's yours, then it's yours, keep it. Mrk
No, Apple didn't delete that guy's movies. Here's what really happened Analysis: Digital purchases are more ephemeral than physical copies, but switching iTunes "regions" seems to be the culprit here. September 15, 2018 https://www.cnet.com/news/no-apple-didnt-delete-that-guys-movies-heres-what-really-happened/
It’s Always DRM’s Fault September 18, 2018 https://www.publicknowledge.org/news-blog/blogs/its-always-drms-fault