Never been in combat have you? You don't hear the noise or feel the recoil under combat conditions. I know from first hand experience.
No, thankfully, I haven't. I doubt you've fired a snubbie
.357 mag. in combat, either. I asume you're talking about some sort of military service. I submit that's a far cry from civilian gun use.
The point you missed is, if the guy never practices with his full .357 mag. carry load, the first time he fires it - he'll be lucky to hold on to the thing.