Youtube generates tens of billions of dollars in revenue per year, for a company that generates hundreds of billions of dollars in revenue per year.
If you're skeptical about how/if massive corporations are able to leverage their market power and monopolization to generate monstrous profits and force through very anti-consumer features, I'd encourage you to read Goliath from Matt Stoller: https://www.simonandschuster.com/books/Goliath/Matt-Stoller/...