Ishimaru Jinrai
[12] Conqueror
Japan attempted to adopt the 360 in the beginning of it's life and it just didn't work. The Japanese consumer base does NOT like the Xbox (ie Japan doesn't give a shit about the American console). So obviously the developers who DON'T pander to the west don't give a shit about the console either (Sony does pander to the west, obviously). They (japanese developers) tried to make games for the western console and got burned through lack of sales (doesn't help that a good amount of western games shit on japanese games in this era anyway). You can't blame them for saying "fuck it. forget it". I certainly don't. I like eastern games so I'm getting a PS4 at some point. And since I know Sony also panders to the west while Microsoft doesn't give a shit about the east, I'm getting the best of both worlds.
True... Microsoft neglects Japan, and so does Sony.... BUT, that's for a reason.
Japan's gamer market is much, much smaller than Europe and especially USA. If you look at the demographics for game buyers globally. Japanese gamers only make up 15% of the market. USA and Europe dominate the gamer market, so it makes sense from a successful sales point to target key market points, even if they are international.
I mean you could always be some Japanese exclusive console maker, you can adopt a hard core niche market, but you'll never expand to be a very big console company. Nintendo is a prime example, they are a Japanese company, but statistically their products sell much, much better in the USA than over in their own country.
EDIT: You'll notice most Japanese console exclusive games are really really low budget? Not epic like Halo or KillZone? It's because they budget their development costs knowing their game won't sell very well. How gloomy is that?