Fender Poly vs. Warmoth Poly

Not wanting to rehash the nitro vs. poly debate, but I was curious if any one can offer a comparison between the amount of poly Fender uses on its body compared to someone like Warmoth. My 50th Am Series seems to have been finished with a very, very thick layer of poly. I can hear the argument that sonically there isn't much difference between nitro and poly finish, but with such a thick layer that my guitar seems to have, I have to wonder. Warmoth advertises that they use a thin coat of poly only and there really isn't a difference tone wise between nitro and poly. Does any manufacturer make a replacement body with a true nitro finish? I've hear even the new vintage thin-skin re-issues aren't quite accurate at replicating a true old school fender finish.

Alot of the Fenders are polyester which is way thicker than polyurethane.

The Warmoths are probably using polyurethane and thats why its thinner.

Alot of the Fenders are polyester which is way thicker than polyurethane.

The Warmoths are probably using polyurethane and thats why its thinner.

I thought only the MIM where polyester and that MIA where polyurethane ?