And he said it in response to my comment about AAA games running $50-$60. As noted elsewhere there are periodically PC titles that run upwards of $60 on release (like some id games)and many retailers discount new releases for the first couple of weeks to maximize sales (driving a $49.99 title down to $39.99), but the nominal retail price of a new title is about $49.99. A $49.99 game is $53.98 after sales tax where I live, but a $17 game through Steam is still only $17. Unless you live in the same state where Valve is incorporated you don't have to pay taxes on your Steam purchases. You do on purchases at your local retailer.
My point is that if you are going to focus on the cost/hour of entertainment then you need to take all the relevant factors into consideration.
And if you are really more concerned about the amount of money spent per hour of entertainment than anything else (and/or like to bargain hunt), then don't purchase a game in the first month before others have tried it out and provided more information. As with all product, the SiN episodes are likely to drop in price after they've been out for a while. Probably not as far as poor selling overstock in a megastore, but probably enough to make the cost to hours of entertainment ratio more to your liking.
Ultimately, none of the above matters if you don't have fun playing the game. So if you felt SiN sucked, don't buy the next one. Simple as that.