I am pretty sure that the generic player doesn't even know about this exploit.
In worst case, I would try to set a delay after pressing the key, so it isn't that fast anymore (in theory one could simply press the normal combat start button as well, if the player is fast enough).
In worst case, I would try to set a delay after pressing the key, so it isn't that fast anymore (in theory one could simply press the normal combat start button as well, if the player is fast enough).