Your forgetting how old some of these studios are ,yes they make 1 IP each gen but did a lot of other stuff which shows they can change things up if they need to .
ND has made kart racing game to TPS games , SP start with platformers now the making open world games and now Sony other teams getting a chance to do something new.
Then there also SCEJ if you want all out variety , when it comes to making new IP ND is not anomaly in SCE WWS.
I mean you say Platinum has variety when most of there games are action-adventures .
I'm not forgetting how old the studios are, I just don't think it's of any real importance. To me, it's not that different from picking a favourite football team as a child and supporting them as their roster and performance changes over the years. Making Crash Bandicoot games a decade ago doesn't mean much to me in the face of three back to back Uncharteds. At the end of the day, it's the people that make the games, and I don't think it matters much what label they fall under, or even if they mix and merge. Doesn't matter if you're not Clover anymore when you're making Bayonetta, and it doesn't really matter if you're not Bizarre Creations, or Sega Racing Studio, or Codemasters when you're making Forza Horizon. Conversely it doesn't matter if you're still Bungie when you make Destiny, or if you're still Team Ninja when you make Ninja Gaiden 3. Or of course, if you become Big Red Button. At that point, you're basically dead to me, lol.
As for the Platinum games stuff. Yea, their focus is on action games. However, when I talk about similarities between something like Uncharted and TLOU, or Quantum Break and Alan Wake... I mean like, I could imagine a rather impressive mod turning one into the other. I can literally imagine playing as Nathan in TLOU, aiming as him and melee'ing as him. Same thing with Alan in Quantum Break. Each has variations in their mechanics, but the base templates are essentially the same. Now, if I started trying to picture what needs to be changed to turn Bayonetta into Vanquish into Anarchy Reigns, then there's a whole lot more different between the games. Despite the shared universe, I felt a larger difference playing Mad World and Anarchy Reigns, than I did Uncharted and TLOU.
And by anomaly, I meant releasing game after game, that people consider amongst the greatest, not simply making different games (which I wouldn't class ND of doing a whole lot of tbh). Like, if Rare were a Sony studio, Naughty Dog would still be an anomaly.
Didn't Media Molecule just release a novel, critically-acclaimed IP? Rest of your point is fine, but MM is a gem.
I had actually forgotten about Tearaway. I don't have a Vita, so sometimes I lose track of what goes on over there. That being said though, it does provide an answer to the question of what PS4 game I'm likely to pick up next.