It actually does to some extent, indeed in a different way and it is why a shooter is able to sustain it. We are actually comparing apples and oranges right now.
No, it doesn’t. ‘Knockdown power’ as in Hollywood style ‘lift a man off their feet through the air and put them on their butt’ is a myth for man portable type gunpowder weapon sans explosive warheads - it would also lift a shooter off their feet through the air and put them on their butt when fired!
Incapacitation, musculoskeletal damage and the like are real and both can and will cause a human to collapse when shot - but get thrown through the air and knocked down? No. Check out any live test of a ‘bulletproof’ vest.