I played on Pro on 4k HDR LED. The film grain didn't bother me at all. Perhaps you have some setting in your TV that is doing it. Like extra sharpening, noise reduction or anything else. Turn off all post processing of the TV to test.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"