Here are some issues which indicate the deeper problems in the industry.
1. The PS3 is too hard to develop for.
False and True. It's not too hard to develop its actually easier than the PS2 was based off the old PS2 standard. The issue with the PS3s development indicate that with the expansion of the industry the number of people who are competent enough to work well with the system are vastly dwarfed by those who are not. The systems must be friendly to the "average" developer, and the competency of the average developer is vastly lower than it was 5-10 years ago.
2. Project management seperates the men from the boys.
The simple mistakes get repeated time and again. Its something that afflicts your average developers far more than your apex developers. Reviewers see the same mistakes time and again because many developers cannot get their house in order. The simple things like content creation pipelines, focus group testing, and general bug catching don't indicate that the developer is incompetent technically but the production.
The real problem is in gameplay testing and actually paying attention to what the testers tell you. If your focus group stares at the screen for 5 minutes before giving up then its a pretty obvious indication something is wrong with the game. If your professional testers take 3 months off work due to waggle related injuries then thats a pretty obvious sign also. If you have trouble motivating them to make a 3rd playthrough then either the game isn't replayable or isn't fun. Either way it has to be reworked.
3. Too many hands, not enough cookies.
If pretty much every Publisher is either not making enough money or making a loss then the pretty obvious answer is that there are simply too many developers, especially average ones in the industry. Does the world really need the 6th best shooter developed in 2008? Beyond the top 3 the pickings start getting slim for the developers who try to catch the crumbs. For other genres like Racing games, are people just waiting for Need for Speed to become relevant again or is the genre in decline? Perhaps they forgot what really made the games fun and NFSU was probably the most fun I ever had in a casual racer. Every game after that has been less fun than the predecessor.