One you're already in the crush zone nothing is going to help you, not even blaming the event organizers for lacking proper crowd management in the first place.

One you're already in the crush zone nothing is going to help you, not even blaming the event organizers for lacking proper crowd management in the first place. Once you're in that situation, your life remains imperiled no matter who or what you point your finger at. The solution is to avoid getting into that situation in the first place, and until public places are fixed that means not being where a crowd is. Not going to the event in the first place is the best solution, but you can also leave early (my preference) or leave late, or leave through a lesser known exit. Counting on organizers to fix it with policy is a bad idea, the physical structure of public places needs to be changed to prevent it. Policy-based solutions are great as one layer of defense, but if that's your only defense in a structure that is otherwise prone to crowd crush, you're better of not being there in the first place.