I wouldn't go around with the notion putting attention into the detail and making the characters feel different took away from the game while saying that a game that has two two hours of cutscenes but makes you backtrack throughout the entire game and fight the same bosses not once, not twice, but three different times is the better product.
You parrot the same thing over and over again from the first page of this thread.
DMC4 is the better action game because:
*It is properly balanced around 60FPS paced game play.
*It has combat mechanics far, far superior to DmC.
*The difficulty in DMC4 is actually legitimate and it actually scales properly going from Son of Sparda to DMD mode.
*The enemy designs and boss designs are far superior to the ones seen in DmC. I would rather fight the bosses in DMC4 10 times than fight some of the bosses in DmC even once.
*The Bloody Palace in DMC4 is also far superior in terms of difficulty curve and challenge.
*It has modes to up the challenge and speed like TDK mode and Turbo mode.
So DmC might have a better campaign and level design but it's completely trumped by DMC4 in the core game play, enemy designs, difficulty, depth and speed.
To me attention to detail that MATTERS in a DMC game is stuff like Taunts that scale with your Style bar. Nero has a taunt for each Style level that really brings out his personality. Same for Dante. Or the precise timing required to achieve stuff like Max Act charges. Or stuff like different animations for Devil Bringer depending on if you Devil Triggered or not or if you DB'd them in the air (so you can have up to 4+ animations of Devil Bringer on one enemy or boss).
Repeated boss fights isn't really something new to the series. You fought bosses three times in DMC1 (4 times if you include them in the Nightmare battle as well). You fought bosses twice in DMC3, 4 times if you include the Vergil campaign. These games are built for replayability anyway... by the time you finish DMD and finish SS ranking the missions you would've fought the bosses dozens of times. A DMC's worth isn't judged by how the game holds up on its first walk through but how it holds up in multiple walk through over hundreds of hours of game play. And for that matter DMC4 holds up way better than DmC does.
Attention to detail isn't "bad" but it's all about resource allocation and focus. I would rather that DmC have focused on making more taunt animations that making some of those recovery animations for example. I don't condone DMC4's backtracking... I am just saying this game is amazing even WITH the back tracking.