Grappling is great because not only do you need to learn strategy, patience, set ups, push pull, etc; you also have to train your body to do what your mind is thinking.
If the body is capable but the mind is weak, you suck. If the mind is capable but the body is weak you suck. And if both are weak, your just like me!
Also it’s gender semi neutral. Women can absolutely dominate against men using skill. Same with Davids vs Goliaths.