I don't think I met a single person who ever utilized the ports on the original Xbox controller and there is no reason you would need memory units in both ports for a fresh campaign playthrough of Halo 2 on your own console.Disingenuous nostalgia posts sicken me.

The Gauntlet is here! A new Firefight mode drops in Halo Infinite today: Five rounds of endless enemies, progressed only by defeating bosses, guaranteed to put even the strongest Fireteams to the test. Think you can handle the heat? ⚔️

Halo Infinite - IGN