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Breadtubers in general:
BadMouse Productions
Beau of the Fifth Column
Brian Tyler Cohen
ContraPoints
Counter Arguments
Cuck Philosophy
DeadHead Animation

Shareable Leftists:
Demoscracy at Work (with Proffessor Richard Wolff)

Leftist Philosophy:
A Hughman

Leftist-approved channels:
Captatin Disillusion
Casually Explained
Chris Stuckmann (Left-friendly movie reviews)
ComicTropes
Destiny

News sources:
China Uncensored
CaspianReport

Talk shows:
David Pakman Show

Education:
CrashCourse

Allies in the "Skeptic Community":
Cult of Dusty

Allied commedians worth supporting:
Gus Johnson

Borderline YouTubers that can be persuaded:
h3h3Productions

Great channels for other inspiration: