How much worth do you place on what he often has to say/write/demonstrate and/or how much do you take with a grain of salt?
Do you agree with all of his scenarios and the outcomes? Have you ever questioned any of them? Do you agree with his tactics, his choices, his advice?
He is considered the leading "expert witness" in this country when it comes to defense related shootings both for LEOs and Civilians, especially those of us who carry legally and under a permit.