There is a real problem with DLSS/TAA smearing in cockpit view. It doesn’t happen in bumper or hood view. Most obviously seen when things are against a sky background, telephone poles, tops of trees, even cars if you’re going up a hill and they are against the sky (Laguna Seca most commonly). I know DLSS/TAA is prone to a bit of smearing but I’ve never seen it to this extent in any other game.
I suspect this may have something to do with windshield reflections which, it doesn’t seem like we can turn off. I’d gladly lose the reflections if it meant no smearing.
EDIT: Sorry, TAA doesn’t actually have this problem. DLAA does, which is a shame because DLAA makes many other things much nicer than TAA, and non-cockpit views don’t seem to have the issue :-/