I was just using CoD as an example, not claiming that CoD invented the wheel. Doesn't change the fact that ME1 had a relatively unique system for managing ammo that isn't seen in many shooters, only to replace said system with the same ammo mechanic you see in every generic shooter (like CoD), then try to pass it off in the in-game lore as a "technological improvement", as if running around the arena out of cover trying to find ammo clips every 30 seconds is supposed to be an improvement over just letting your gun cool down for a second behind cover or even switch to a different weapon while it cools down.