Being honest the A pose existes in gmod in 2009 where not showed the playermodel to the other so just was a scientist and in A pose and the guns well y'know in the medium legs
I think it cant bc we perceive the world at 24fps and real life looks "smooth" because of blur, you can verify it by fastly shaking your hand, but I think higher fps require less blur to look fluent. (Just my opinion)