Yeah, I don’t really know enough about steak to answer the question. But I do know booze, and I do make choices between “totally drinkable” and “truly excellent” beer, wine, and liquor, depending on whether I’m serving it straight or in a shandy, sangria, or cocktail. I never use the crappy stuff, but no, I’m not going to make a spritzer with a $100 bottle of wine, or a frozen strawberry margarita with the añejo tequila I brought back from Mexico that’s not available for purchase here. I think it would be rude of my guests to expect me to. So there’s some gray area between “serving one guest crap because you disapprove of the way they prefer to enjoy it” (rude) and “saving the very best stuff for when you can serve it at its best” (so far from rude it would be rude to object to it.)
So with my lack of expertise, if I’m buying steaks, I’ll just get everyone the same to be safe, no matter how they want it. But I will need to see hard evidence if anyone’s claiming they can tell the difference between Skyy and Grey Goose in a Cape Cod.