"it is not really a security feature, it is closer to what we would call a hardening feature. It might slow down an attacker, but in most situations it is not g

"it is not really a security feature, it is closer to what we would call a hardening feature. It might slow down an attacker, but in most situations it is not going to stop them." Does his argument boil down to this? If so this seems like a silly argument over semantics. Is there anything in existence that can "stop" an attack?