I think the only thing more broken that the aim assist in this game would be the melee.
Holy **** does melee piss me off.
Somebody could be like 10 feet away from you and their fist will automatically magnetize to your face.
And worse yet, sometimes it looks like you melee'd first but in reality the game registered the other person's button click first so its misleading as **** and it just makes you think "WTF that asshole should be dead, not me."
I swear the melee in this game gives me PTSD of Warlock's 20 ft range melee in Destiny.