I’m pretty sure they’re only doing it to protect themselves from being sued for enabling piracy.

Same reason Amazon has removed IPTV apps from their app store.

This has been updated and Kodi will be allowed again. https://torrentfreak.com/sony-says-it-will-fix-kodi-problem-in-next-update/

I hope Samsung does not do the same.

Could Emby and Plex be next? They are essentially the same thing, just with less readily-available addons for grandma-streaming.