A further complication is that the Dechoker would probably only work for solid objects, so emergency responders would have to determine the nature of the airway obstruction before deciding whether to use the Dechoker, or some other method (i.e., another suction device to remove semisolid debris like vomit). So you'd additionally have to track what the nature of the obstruction was and exclude cases where the Dechoker was applied inappropriately, or where the Dechoker was not used and it could have been.
...I'm terrified of choking, fwiw.
I think this is the real issue. Your lungs simply aren't very strong.
Even pro-athletes who we would normally associate with respiratory fitness, like runners and swimmers, have more capacity and efficiency then they do strength.