Chastise is probably not the right word, excuse me for my poor English vocab. You are telling them not to do something without providing an alternative that would also help them in the short term. That is, in some way, putting them in a corner.
Also, its not them taking a risk, it's them weighing the risk of being bashed with the risk of having to shoot a bigot.
If they decide that the risk of someone trying to bash them is much lower while open carrying, obviously that means the risk of having to shoot them is also lower.