lemme guess, you engineered a different version of blhack just to point out that you can cause more problems?
He's not implying he made anything. All he said was: "No, you still can." Which is 100% true, there will never, ever be a way to with 100% certainty keep player positions from the player no matter how hard you try. It's just a fact of life when it comes to multiplayer game programming.
Seriously, don't be a richard.