What is plagiarism? Where did plagiarism come from? Who made plagiarism? Where am I, plagiarism? Can you help me?

Chapters:
0:00:00 Intro
0:05:09 Filip
0:27:57 Cinemassacre
0:42:59 Iilluminaughtii
1:04:06 YouTube Content Mills
1:11:41 The LegalEagle Debacle
1:25:34 Cave Story
1:49:59 The Twist You Expected
2:15:11 The Celluloid Closet
2:21:57 It Got Worse
2:34:24 HE’S STILL DOING IT
2:41:49 Shouldn’t Need To Do This
2:50:31 Attack on Attack on Titan
2:58:15 Does He Know?
3:04:45 He Started A Film Studio
3:09:14 The Nightmare
3:17:00 Turnabout Summertime
3:20:01 The Cost
3:29:47 Conclusion