1. Changin this was necessary because the knife throwing behaviour was changed. It is not possible to hold the knife armed using weapalt.The attack2 is used in Jaymod, NoQuarter and in Nitmod also. 2. We always try to look for ways to improve performance. 3. I have no idea why ETPub team sees it as experimental. Nevertheless, that decision was made by them and we kept it like that. Furthermore, we haven't even looked at it's implementation which is all the more reason to maintain the ETPub teams recommendations.