Yes. Yes. Please.
Using a localscript, allow us to detect a player's graphics level. It would let us adapt our games to make 10 graphics look more pretty and 1 graphics feel less laggy.
How about it?
I'd definitely like this, and not only to adapt our games to run better, but to also lock certain showcases and related to a specific graphics quality for the best user experience.
Setting graphics quality, though, could be malicious for some users.