yeah the poisons have always had high recoil from that, but to get shredded like that from one failed infiltration isn't normal.
It's probably a byproduct of the update along with the kickback because of the improved hit detection so it'll needs to be reduced somewhat just to balance it out in addition to probably an increase in hp.
and holy how many fucking times have I tried that very same thing and nothing became of it, focus on one issue at a time not a whole fucking laundry list thats going to get ignored.
Edit: Valve AND Zero would find a way to screw up a steel ball.
I have never seen any other server that used to be so much fun to play on just get so properly rammed into the ground by one person's lazyness, incompetence and inability to grasp how to properly run a server.