well dlss has failed in one game as least
which does explain my friends who tried it all turning it of on the first day as everything felt odd
https://www.pcgamesn.com/call-of-duty-warzone/dlss-aim-drift
There is no real easy fix for that ultimately - they might be able to mask some of it but the wider the gap between the displayed resolution and the back end rendered resolution the more inaccurate that is going to be.