I don't really get our reasoning. Clearly some people don't act rationally and everyone should be aware of that. So it seems reasonable to recommend reasonable

I don't really get our reasoning. Clearly some people don't act rationally and everyone should be aware of that. So it seems reasonable to recommend reasonable precautions if the situation warrants it? You don't swim in shark infested waters, or hang out around lions without expecting to be bit. Would be nice if everyone could behave like a sane person and we could live without fear, but we don't live in a utopia.