Well, someone else disagreed with that view and posted a rebuttal, which is the one that Ayer retweeted.
On Twitter, Ayer said that Joker’s story originally saw him making a deal with the Enchantress to take Harley and become the “King of Gotham,” but Harley rejected him for her “new friends.”
Someone from the peanut gallery replied that if Ayer had focused on Harley learning to “love her new friends,” then the movie would have fared better.
It’s known by now that Suicide Squad was the subject of several reshoots that changed both the tone and story beats from director David Ayer’s original vision, and since the film’s initial release, details have emerged about what was cut or changed in the film, such as the Joker’s diminished role.