The ones that rely on motor skills a lot are usually like that yes

A slower-paced game like Dota2 starts to require strategy and teamwork earlier but you can still win games just by very being good at pushing buttons for half of the ranks

It depends. Because if you put 4 mediocre players on a call with each other in TF2, they will end up top of the leaderboard. However, most people who end up doing the most never communicate, they just press button good.