We need far more of a culture of "sometimes you gotta take one for the team". This is literally what Charlie Kirk was saying at the exact moment he "took one for the team".
Bad things can happen and you don't have to change stuff just because it happened. Accept negative externalities and don't collectively punish your people for the bad actions of a few.
There are many other ways a person can inflict damage much larger than that without a plane and easier.