I agree with you on that, but for my peace of mind I like to have something to deal with the occasional cottonmouth that thinks he's brave. I've had them go after fish I've caught before, and esp if I'm hip deep in water I don't want my only option to be telling him to "go away".
Agreed. Cotton Mouths are very aggressive, sometimes unavoidable.
I have dispatched copperheads from around the house to keep us all safe, and the rat snakes that like to eat my eggs, and sometimes attempt the chicken or 2.