I swapped out my lug nuts tonight. After inspecting the old lug nuts, my assessment is that the use of impact wrenches on the stainless covered stock lug nuts de-forms the stainless cover giving it a swelled appearance. I do not think there is any corrosion on these, just impact wrench hammering.
My second issue and the reason this all came up—never trust some mechanic who just uses an impact wrench to install your wheels. I know someone in this thread said it is set by the line pressure/calibrated, but I have much less faith in the accuracy of that after working in the auto industry most of my career. Especially when each car requires a different torque spec, I certainly didn’t see someone adjusting a regulator or the impact. Most importantly—After taking each lug nut off our truck tonight, some lug nuts almost spun off with no effort and some required a breaker bar. Absolutely no consistency. It is my truck—so keep your thoughts to yourself, but I did use my torque wrench on the install. They are all 150ft/lbs now and the 13/16” socket now fits.