I tend to agree with Eagle. Trying to explain the "logic" between thinking of "newbies" is useless, because there is none. You'd be amazed at some of the reasonings I've encountered over the years.
The only thing that MIGHT help would be a BIG RED NOTICE (before a game page is actually opened) saying "THIS GAME CAN'T BE DOWNLOADED, CLICK HERE IF YOU UNDERSTAND THAT AND WANT TO PROCEED".
However, this would be quite an annoyance for the other people that actually take the time to click on the "No go" button and read the explanation that lies on the subsequent page... So, basically, I think there is no cure :P
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