"IS there an exclusive AAA PC game that uses max power made from the ground up" No, no game is built from the ground up to take full advantage of the highest possible tier of gaming PC. Most developers don't want to limit their audience to just PC and no developers want to limit their audience to people with an i9 and two RTX 2080 TI's in SLI.
Due to minimum effort for gain, when devs target a much lower configuration what they put for the higher tier are cosmetic stuff.
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"
Azzanation: "PS5 wouldn't sold out at launch without scalpers."