It completely avoids the need to wait for a back stab, but it impairs your orientation momentarily. Also, using this multiple times in order to hit an enemy looks incredibly suspicious as you are continuously turning around in circles, and if you manage to land a back stab it's clear you are using some form of script. ( not that it is not allowed, it just looks very unnatural. ) Also he provided his own weapon switch script, so just be aware. What did you mean by values I got wrong?