And there is no way to report players for that either.
Also not all of us have friends who play HD2, so we don't play "most of the time with people you know"...
So... what if there was?
But currently with whatever anti-cheat they're using the amount of cheaters is practically non-existent. I haven't personally seen any weirdness.
A friend of mine managed to get a screen recording of two people doing the grenade exploit before it was fixed.
And there is no way to report players for that either.
Also not all of us have friends who play HD2, so we don't play "most of the time with people you know"...