Same thing. You were close to the incident. Let's say you just started gardening by yourself and no one has stepped on a rake yet. You're going to be in some p

Same thing. You were close to the incident. Let's say you just started gardening by yourself and no one has stepped on a rake yet. You're going to be in some pain. Also, if everyone instantly learned from elders of every bad incident, we'd get nothing done because all the new people would be too scared to try anything.