I think cs is necessary. It's a vital, core part of the game. You have to farm an advantage if you'd like like to farm people while they're stuck in your life for the next 30-40 minutes. BUT THATS WHERE IT SHOULD STOP in relation to a rating that supposedly is an accurate depiction of the skill you displayed in your last game. Ahead, or behind on CS should not be compared arbitrarily to a list of blanketed averages of what that champion normally gets at certain intervals int he game.
That average does not take in account things like your particular matchup or the actions of your teammates. For example, you're the mid laner. Bot lane just took their tower. They are now in your lane because it's time to push your lane as far as the enemy team will let you with them by your side.
Good luck hitting 100% of your farm for the rest of the game because at this point, minions are just that thing that the tower shoots at instead of you and if there's mean minions blocking those from taking tower shots for you, well those certainly all need to die quickly. No one is letting you casually last hit anymore.
I read one of the biggest arguments is implying that he killed the same person 20 times and was only receiving 50 gold per kill at that point which equates to two minions anyway. Fair enough, but I seriously doubt he killed the same person 20 times. Killing everyone 4 times certainly seems to get you close to the number 20. I don't think he needed the money.
As long as there's a significant gold advantage at the end of the game then he did exactly what he was supposed to do by gaining an economic control at least by the end.
There is something seriously wrong with the ratings system... I've seen very average/flat k/d/A's lil 5/5/6who get an S after a losing game because they sat in base and defended for 35 mites and ended up with 400+ CS after still losing the match.
Please tell me thats not a joke stat. You lost the game, farming minions until the other team rolled through and Ace'd your team and won because they killed your entire team in rapid succession.