Peer reviews can catch bugs that tests can't catch.

I won't disagree that peer reviews are overrated, but they're a great way to train and onboard less experienced devs (who are just more fun to work with, anyway). Like I'm a platform dev, so I don't have a "home" project - if I had to know every project before I opened a PR for it, I'd get hardly any work done. Review help other knowledge experts weigh in on my changes.

Anyway, one case for being pro