So you're basically saying that the PS3/Vita exclusive games trump the exclusive games from the other systems on some objective level of quality then? Because I'm not sure how you can say "excluding sales." That's generally how winners are determined in these things. Nintendo sold the most systems overall, the 360 is the most popular right now, Sony is 2nd.
I mean strictly from a gaming perspective. Sales and pricing are simply business, though I stand confident saying that Sony offers the strongest combination of gaming products.