That's one of suicide squads only redeeming qualities, it increases it's forensic value. You watch that movie, and for the first third you can marvel at how much of a mess it is an be like "some of this is the trailer editing company.... But which parts?" It's kind of like bingo. And then in the second act the movie commits the ultimate sin: become extremely boring. There's no fixing that.
As a professional video editor I can relate to being thrown under the bus for adhering to decisions that I spoke out against.