I didn't click on the link, but what's Misc? Is it an airdrop? Is it a token or an NFT?
Hahaha, that's why it's good to check out the link so that you can get a proper context and opinion about something. Form 1099-MISc is some sort of form by Internal Revenue Service that is used to report miscellaneous income types to the Revenue service.
Anyway, why would you get information about something on Coinbase from an unknown YouTube creator and not from Coinbase itself? Did Coinbase not announce it? Why don't you verify it from Coinbase itself? You can chat their support, DM their Twitter account, and so on.
Countless have fallen victim to various scams because they rely on third parties, got false information.
The guy is just giving information/guiding about how people can file for crypto tax in the US given the new changes that are going to be put in place. Not trying to scam anyone.