Boom refueling is only much faster for aircraft like a B-52 or B-2 that can handle such flow of fuel.
US fighter aircraft used the boom refueling system due to the fact of an existing fleet of tanker aircraft with booms. The internal fuel system of fighter aircraft can not handle the fuel flow provided by boom refueling. So the difference between boom or hose is marginal for fighter aircraft.
Advantage of hose system is that up to 3 fighter aircraft could be refueled at once.
Do you know what the difference in contact time is for the two methods, on average? Is it easier to fly the boom or to stab the basket?