MGSV got much better once I figured out how CQC and holdups worked. CQC lets you drop someone without using ammo. You can move them while they’re unconscious, and then wake them up with a kick. Once they’re awake, you can hold them up while they’re on the ground. If they’re held up, they’ll stay on the ground permanently (unless another guard finds them and gets them up). So you can capture an entire base without using ammo, simply by finding a quiet corner to stash your guards in; You don’t need to worry about them waking up from a knockout, cuz the holdup keeps them down.

I know the Hogwarts Legacy game got a lot of hate from Rowling being a monster, but the game mechanics really let you optimize stealthing. I've snuck into many a goblin stronghold and just sneaky sneak murder-hobo'd like 20 or more of them, one at a time, looting the bodies before they even hit the floor. They even show the little ! icon. I feel like I'm playing Solid Snake goes to Hogwarts sometimes.