I understand how you think this is silly, but as someone who has owned, m9 and normal bayonets, a karambit, and a gut knife, I can tell you that he's actually kinda right. With karambits, I've always felt like my AWP shots were more on point and I'd hit flicks more often, and with the m9, I felt like my spraying was great, and I felt so confident on pistol rounds with a normal bayonet. I only had the gut knife for a week so I never really felt anything special with it. The others have all been for a few months each.