“YouTube says over six percent of takedown requests through its public webform are likely fake, and the company accepts requests via plain email too, meaning anyone can file them.”
Domtendo’s Let’s Play videos came down on DMCA notices signed “Tatsumi Masaaki, Nintendo Legal Department” and sent from a Protonmail address. YouTube acted on them anyway. Creators can lose their whole channel, and YouTube hands the power to pull the trigger to anyone with a free email account. The DMCA puts the whole burden of proof on the creator.