Okay, DMC isnt the most orignal series...and DMC4 hardly the worlds most impressive'ly new game either. But...lest we forget.
ITS NOT MEANT TO BE =p
DMC is supposed to be a game surrounding little more than the mindless assault on the demonic forces of evil, stylish moves and some comedy. Its not going to be a deep adventure of massive emotional revaltion - the combat system is suposed to be accessible and not nessacerally deep -although it has the potencial (as per the comment about YouTube players).
Take...Pokemon. (bad example I know).
You have the main story thread for every player imaginable with basic battling and very little challenge, THEN you have all the hidden competitve elements such as EV traning, Individual Values and actual competitve battling...designed for more mature players.
You gotta take DMC as it is, it is made easy and arguably shallow in comparison because it NEEDS to re-establish its audience after the console/generation jump, not everyone has a PC, PS3 or X360, and older players may not upgrade their PS2 so Capcom need new players to continue on with the saga.
Is NGII worth picking up btw?