Isekai Anime (Has a Gary Stu Problem)

I've talked about Mary Sues tones of times. But Isekai Anime have too meany Gary Stus. From Farming Life in Another World to Chronicles of an Aristocrat Reborn in Another World and Am I Actually the Strongest?
Isekai Anime have a clear Gary Stu problem and I think it's about time someone talked about it.

My Mary Sue play list:
   • Mary Sues And Gary Stus  

My Paterno:   / justarobot  

0:00 Intro
1:04 What is a Gary Stu?
2:55 Rick Sanchez
3:30 modern video game protagonist
4:08 Anime Gary Stus
4:22 Jotaro Kujo
5:15 Giorno Giovanna
6:37 One Punch Man
7:48 Kirito
11:31 Farming Life in Another World
14:54 The aristocrat's otherworldly adventure: serving gods who go too far
20:35 I Am Actually the Strongest?
25:04 Ending thoughts
28:27 Credits

I want to give a thank you to Caas for editing the video from the start to 20:40
   / @caasinine  

I would also like to thank Lorenzo for editing from 20:40 to the End
   / nesmario123  

And last but not least a special thank you for the Thumbnail:
   / @artisticpassion