For starters I will say that I have no objections to shorter, but still fairly complex, games for busy people. My problem of course being that they charge you the SAME price for those games as they do for a longer game with equal complexity that could keep you gaming for 40-80- or even hundreds of hours. There is no excuse for charging $50-$60 for a game with 8-10 hours worth of content.
This comes down to what I've been complaining about for a long time here on the Escapist: game industry corruption. Basically the game industry engages in price fixing and such so a new game, irregardless of development cost, length, or relative quality goes for the same price. A new game costs $60, it doesn't matter if it's a AAA title or a fly by night production. What's more the industry coordinates to the extent where they were able to set a $10 price hike not too long ago. This behavior is more or less illegal at least in the US, it's just that nobody cares (as of yet) in the US. People suspected of doing this with gasoline saw themselves on the receiving end of federal investigations and it was all over the news.
Sure, the industry sits there and defends this practice by talking about the sheer amount of money spent developing games. It however defends itself with the biggest and baddest titles, not the lesser ones that cost nowhere near that much. What's more in comparison to Hollywood movies and their budgets, people forget that you can own even the biggest Blockbuster for $15-$20 (oftentimes far lss), and that's including burning, packaging, distibution, and paying the stars extra money for special features for the DVDs, and who knows what else (perhaps even including a minor video game if you plug it into a DVD Rom). Heck, with the gaming industry they don't lower the prices even when they cut out a lot of that stuff with a 100% digital copy.