Fire Attack: Door Open vs Door Closed

I understand the science behind this but there is a lot not being talked about.  Nozzle and handline selection to give the proper GPM to overcome the fire room.  Choose the 50 cal always go big and knock it down.  Also this is an indirect attack in my opinion when you hit this the steam and heat have to go somewhere,  usually to portions of the house that were tenable for victims.  There are reasons that it is called fire attack choose the right line and get some.