Industry standard.
Industry standard: " Cleared for take Off" the PM turn the landing lights on as confirmation of take off clearance, all crew is aware of the clearance and surrounding traffic know you are commencing the roll.
I will never cross a runway , unless I double check with ATC,, if the aircraft lined up have all his lights on, as I only know of one airline that enter the runway with all lights on.
CX's biggest problem is there is no cross pollination. CX management have only ever known their own procedure, and remember they invented flying.