Why do most third party publishers ignore the Wii completely ?

[MetalGearSolid_4ever]

ps3_jrpg_gamer said:
Devil may cry 4
Resident Evil 5
Final Fantasy XIII
Tekken 6
Blaz Blue
Street Fighter IV
and a huge list Wii gets games like Soul Calibour legends, RE:the umbrella chronicles spin -offs side-stories and almost never sequels

I'm talking about major PS360 multi platform games.