"Specialist in Health ".
If a cockroach threatens your health, kill it.
If a crown takes food from you or your child, kill it.
If Hitler attacked you, kill him.
But, if you do not know how to do it and you compete in sophisticated ways of executing cockroaches, shoot for the sake of entertaining crows, accuse, judge and execute sentences, guided not by security considerations, but by a sense of revenge or by one of the criteria of usefulness / harm you understand - you are banal killer maniacs, regardless of whether we are talking about people or cockroaches.