May have heard of this Youtuber Totally Not Mark that has been trending and talk about on youtube and on social. his 150 videos got a copyright strike / Copyright claim by Toei Animation Studio.  
Totally Not Marks Youtube Channel: https://www.youtube.com/c/TotallyNotMarkTube/videos

[YouTuber Hit With 150 Copyright Claims For Edited Anime Footage](https://kotaku.com/youtuber-hit-with-150-copyright-claims-for-reviews-feat-1848178180): Kotaku Website https://kotaku.com/
Toei Animation - Wikipedia (https://en.wikipedia.org/wiki/Toei_Animation) 
Toei Animation - Anime Producer - MyAnimeList.net https://myanimelist.net/anime/producer/18/Toei_Animation) 

YouTube google fair use and copyright policy websites:
[Frequently asked questions about fair use - YouTube Help](https://support.google.com/youtube/answer/6396261?hl=en#zippy=%2Chow-does-fair-use-work%2Cwhat-constitutes-fair-use%2Cwhen-does-fair-use-apply%2Chow-does-content-id-work-with-fair-use%2Cim-using-the-content-for-entertainment-or-non-profit-uses)

Google support / Copyright 
https://support.google.com/youtube/answer/2814000?hl=en-GB&ref_topic=9282678#zippy=%2Cresolve-a-copyright-strike

Copyright Law in Japan Moral rights
[Copyright law of Japan - Wikipedia](https://en.wikipedia.org/wiki/Copyright_law_of_Japan#Moral_rights)
[Copyright Law of Japan | Copyright Law of Japan | Copyright Research and Information Center CRIC](https://www.cric.or.jp/english/clj/cl2.html)

Anime Man (Joey) 
Anime YouTuber Gets 150 Videos Removed by Toei Animation YouTube https://www.youtube.com/watch?v=KvBoJVqGrnE