Many have said the same about the lifeless Thor: The Dark World, the soulless, coloring book AKA Avengers: Age of Ultron, Iron Man 2, Ant Man and The Incredible Hulk, to name a few. Marvel does not have a universal, strong formula on making "great" superhero films. Some are all over the place in tone and intent; for example, The Winter Soldier does not look like its direction, political message, etc., is in the same universe as Avengers 1 & 2 or Guardians and despite some MCU fan say, "they're building toward something," i will remind that someone that they've been building since TWS, and the tone and intent is still all over the place, with the exception of TWS' direct sequel, Civil War.
In the DC films, there is a definite, consistent world structure and tone--this is all one universe, with no film feeling creatively or ideologically (in-universe) out of place with the other. That is interesting, successful building, as one can say Suicide Squad, DoJ and MoS not only exist in the same universe, but were all moving its world toward a next, logical chapter. There's no planet-sized hiccups or selective memory as we see with certain MCU films (e.g., the Hydra matter with SHIELD not having greater, far reaching impact in every film following TWS). While none of the 21st century superhero films were perfect, I think some of the MCU has suffered from an assembly line approach to just adapting every thing off the shelf, or trying to bring every "big event" to screen, which--after awhile--starts to melt into one another--spectacle, explosions and characters jumping around, with not much heart or substance.
I understand that all MCU films cannot be The First Avenger, IM3, The Winter Soldier or Civil War...but they would be better off if they moved in that lane more than they have.