I mean, do that too, but end of the day PRs are your final chance to catch the mistakes before they start cementing, and is your best opportunity to identify misunderstandings (you can smell the confusion in their changes and address it directly).

But also, I must defend against the hordes of unwashed masses and maintain the sanctity of my domain. End of the day, a codebase I own is a codebase I own, and others cannot be allowed to poison the well, intentionally or not. That’s how you get cholera