Geez, strike a nerve here? I only shared my companies SOP as it related to the op, as you shared what the FCOM states. I follow my companies SOP as you should follow your companies SOP. It’s really not hard nor up for debate, it’s what we are paid to do.
As an aside, we don’t use Boeing or Airbus’ manufacturer supplied aircraft operation manual for a variety of very good reasons which have worked quite well for a company which operates nearly 1000 aircraft with 17,000 pilots changing seats or aircraft as often as some change underwear.