I'm looking at all of your options, and have come to the conclusion that only ONE of the choices is true fro the question asked. The DRM heavy setting in the PC market is hurting the PC gaming industry. The console gaming market is pretty solid. Let me explain how the others do not fit:
1. Piracy: Pirates will always be there. You can't get rid of them all. The reason piracy is apparently heavy in gaming is due to DRM that forces the player to pirate in order to get a playable version. There are as many builds of PCs as there are different parts you can buy, so the PC DRM doesn't work right often anyway. While Steamworks works as an alternative, it limits where you can place your game in your computer to that strange area in Steam.
2. Pre owned sales: Movies cost WAY more than games to make (except in very odd cases) and used games do not hurt them at all. used gaming sales do not truly hurt the gaming market, but rather, it gives games life after their first run. You can't find games from the PS2 era new very often any more, and in the cases that you can, they normally are the stuff that didn't sell fast. Imagine in 5 years when you can't find the games out now new. Well, if you are playing with project $10, then the used sale will be an incomplete one.
3. Micro Transaction: MTs, as I will call them, are actually helping the companies who do them well. Look at all the korean MMOs out there. The good ones have made back their investment due to MTs. look specifically at games published by Nexon and Gpotato (Like Vindictus, Aika, or Dragon Nest.) When done badly, they will hurt the game that it is in, but not the games around it (Eve Online).
4. inflated AAA prices. I can't speak on this one as much, but I can't remember a time big games didn't cost $60. I have heard talk that gamers in Europe and Australia have stupid pricing for games (like the Skyrim CE), but I have no idea (and no real way to find out on my own) if all games are sold like that or not. Perhaps European and Australian gamers can tell me their prices for games in their respective currency?
5. none, they are fine: This is actually true for all the consoles, with the possible exception now being the Wii,having exactly one title for the entire financial year (Skyword Sword).