Sigh, 5 year old law going into the next pahse of activation. Want some actual details and not the BS kind of headline you're repeating here? Go watch Jayz2cents viedeo on it. Or Gamersnexus. Both will show you just how foolish you sound worrying about this nothing law.
Synopsis tho, no user assembled PC is covered by this.
The more powerful the PC the less it is covered by this.
As for the logic behind it? It's aimed at the thousands of office desktops sitting at sleep mode 16 hours a day eating up power for absolutely no reason. That is the most affected group of PC's by this.