I can’t remember if I said that. If so it’s been a long time ago. A lot of other people have said that.
It was discussed by me and others a couple years ago I think, but a consensus was never reached.
I come down on the side that shape doesn’t matter when it comes to rot susceptibility.
The thought has been that the saucer peach holds water in the dimple where the peach is attached to the shoot.
The main reason I don’t think that matters is because I’ve seen flat peaches of every orientation rot on the tree, even peaches affixed sideways on the shoot, so there are no cavities for the water to rest in. I’ve also noticed some genetic differences in rot susc. with flat peaches.
People have complained about rot with the Saturn donut peach, but that’s been one of the more rot resistant peaches.
Tangos has been one of the worst to rot for me. Tangos II hasn’t been that great either.