For people who don't know Imi Lichtenfeld who invented Krav Maga was a champion wrestler and boxer. So in a sense he was one of the first MMA practitioners.
Arm drags are a great wrestling move which can be used to your advantage in the right situation.

I think it is important to practice the wrestling range because we cant always just block and strike.

Whoever teaches us a technique it is our job to translate that so it works for us. We should not just trust what someone says we should fight it and experiment with it for ourselves.