Comment The main problem (Score 1) 337
How does this solve the basic problem, namely that hardware vendors and game makers have two opposing interests:
Hardware vendors want to sell new stuff, and forcedly raising minimum specs is therefore in their advantage.
Games vendors want to sell as many copies as possible to a biggest possible potential audience, and keep the specs at the minimum necessary, and might even want to do extra work to achieve this (like providing different binaries for different versions of DirectX).
And finally then there is Microsoft that wants to sell us all a new Windows