Yeah so you might not want to use ARK as an example of RT looking bad - it was announced that they would have DLSS but from what I can find, they never delivered on that and never had RT even planned. The ARK devs are notorious over-promisers and under-deliverers. So if you're seeing RT "graininess" on ARK or ARK screenshots, it's something else.
Control I got about half an hour into and then just decided "Meh", so I have little idea what it looks like. I did play Wolfenstein Youngblood with RT and DLSS activated. Can't say I noticed any grainy weirdness there. Either way I'm not sure it's right to dismiss RTX as "grainy" on the strength of one game.
I didn't. I showed you Ark, even though I haven't played it, Control was worse and Metro does it too.
I bought Wolfenstein YB but it was so stupid I turned it off. Might try that, because I am sure that it was before I got a RTX. BTW? BFV does it too.