Seems to me the big issue some have is in their view of what LBP is (or was intended to be) vs what it really is and was intended to be.
I never felt LBP was supposed to be a true, full platformer nor that it was overly marketed or positioned that way, that was just the genre it most closely resembled in style but it was never I believe developed nor planned as a full on platformer. Of course reviewers and people in general like to try and assign things to neat genres so it was most commonly put in the Platformer genre - which is a big mistake IMHO. In many ways LBP defies genre assignment.
The Create/Share was always a huge focus of the game and as such it makes sense elements of design reflected this - such as collectibles requiring multiple players.
With LBP2 I feel MM are actually aiming closer to what they had in mind for LBP first time around, which is even less focus on a single genre and more of an open gameplay built around some core mechanics with an even more focus on creation.
I expect LBP2 to be even harder to assign to a single genre and for me (and I guess the many LBP fans) that's part of what we like about the title. It really is it's own thing and it sounds like it's going to be even more so in it's next iteration.
Try to be reasonable... its easier than you think...
