This is true, if one wants to ignore the multiple factors going into these games. install base has already been mentioned and genre has been mentioned.
Tekken 6 is seen as worst than 5 which is probably why it didnt do as well. (Scenario mode? the hell was that?) if it was exclusive it would have sold the same, because those who bought it on xbox would have bought it on PS3 and would have the same numbers. You could say the same for most these games
Crash sucked after ND stop developing it, that simple. People arent stupid they noticed the dip in quality.
KH you are comparing a main entry to what are essentially handheld spinoffs. it is unfair and a flawed comparison. not to mention there was a KH game released BEFORE KH2 came out on a non Sony system, so its more of an issue with people not wanting to play these games on handhelds
Persona4 you know this is wrong but youre going with it anyway. Nice, fighters are not that popular unless its Smash, SF, or MK.
katamari maybe
FF lets ignore how divisive ff13 was. IMHO it would have done worst, because people were not going to buy PS3s for what is seen as a mediocore game at best
MGS why compare main entries to spinoffs? makes no sense. of course people are not going to buy it, as an MGS fan. Im not getting it because for all intents purposes its not a MGS game. Its a hacknslash with MG paint on it.
GTA maybe
DMC the quality of the latter doesnt come close to DMC3. not even a contest.
TR one it was never really exclusive. so argument is already flawed. the first was released on PC and Saturn and the rest was released on PC. The game peaked at the sequel and it was downhill from their. It started sucking BEFORE the PS1 series even finished. and my god that PS2 game. The reboot is the fastest selling it has been in a while so not sure what you are getting at.