Harry Potter is played out. The author is a bigot. Their classics like Casablanca, maybe there is some value there.
Is that why they're doing a remake?
* https://www.hollywood.com/news/a-new-version-of-the-original...
* https://en.wikipedia.org/wiki/Harry_Potter_(TV_series)
The people who were kids when the original movies came out are now parents themselves: they're going for nostalgia and new audiences.