[Phoenix Gamma]

Sega just did the shoddy porting job. They took Platinum Games' code and totally botched it on the PS3, which doesn't even make sense considering the PS3 is the stronger console.[/Microshock] They didn't actually develop it. At all. They might have okayed a few things here or there, but the core creative team and all the people that really matter in the game's development are from Platinum Games.

Exhibit B: Dimps developed the PS2/Wii versions of Unleashed, which were better than the PS3/360 versions both in terms of programming and design.
Exhibit C: Pretty much every Sonic game up to 2006 has the same abysmal loading problems as Bayonetta pre-patch.

Sega's a fucking shitty developer. Decent publisher, but can't program or design for shit these days. And no one gives a fuck about Shenmue except all three people who played those boring-ass games.

EDIT: I forgot about SegaWOW. They're pretty good, but I think actually started as a separate company anyways.