I'm just learning that I don't actually know PADI Open Water guidelines despite > 100 dives. I guess that syncs with my experience that Open Water cert doesn't necessarily actually train you.

I'm like genuinely confused at this point. I've had so many guides, even in places like Hawaii, not follow their own guidelines. It would be trivial for PADI to see Open Water divers are diving the thresher sharks at Malapascua, for example, and that would necessitate they go past 60ft.