Extra loop mitigates this effect inside UV shell to a degree, yes. But the edges are still warped. Besides, if it was problem with geometry, I would see the same warping regardless of whether I toggle full precision UVs or not, or even in Marmoset.
Merriam-Webster recently had people vote for the word of the year, which would be added to the dictionary. The word people chose: w00t... spelled with zeros...