It’s an extremely outdated metric that gives you a very basic measurement. When the game first started there were fewer variables so it had value. Now it really doesn’t serve much of a purpose. Skill, team synergy, mod selection…those matter. Think of it like this: you have two people fighting each other. One has a full auto assault rifle, the other a bolt action .22 rifle. One appears more deadly on the surface but if you dig deeper is that really the case? Maybe the first person is not a good shot, stands in the open and just pulls the trigger. The second person is an expert marksman, firing from concealment and the .22 is equipped with a scope. The raw power advantage of the first is negated by the skill and various other factors of the second. Learn counters, pay attention to mods, understand kits and kill order…these are things that matter much more than GP numbers.