You seem to lack a proper grasp of this and all cod games dynamics. Smg and shotguns are for close range not point blank. Point blank is the knife zone. You are simply being a cry baby because you don't know how and when to use your knife. Stop crying, stop making videos begging for sympathy and support for your cry baby nature and learn when it is proper to use the knife.
As for your kd talk let's talk my kd is 2.3 so I fail to see what your statement has to do with anything besides crying about a skill that you can't or won't master.