My take on this is no they don’t. As long as they are truthful they only report on the quality of the product and prevent many people of spending a lot of money from losing it by buying something that doesn’t work.
If your product is shit your company does not deserve to be shielded from the backlash, this is the core of (classic) capitalism after all.
No, he’s mentioned he has a team. He may be the final say on a product, but there’s people under him shaping what he gets.
I respect MKB for the hustle and his success, but he’s not a one man band.