Yeah, I played a lot of StarCraft 2. By myself, 2v2 with a really talented friend and 3v3 with two other friends that were total beginners that I could beat 1v2.
At the bottom to upper mid level all you need to win is to figure out the macro game of building construction while also getting enough workers and units. With enough of that no micro is needed, just attack-moving into the enemy is more than enough.
Then at the upper mid level you're going to run into people who often don't build as effectively but they'll micro every unit or they'll be constantly doing raids when you don't expect it, scouting better than you and/or just understanding which units are better vs which so as to counter you.
From that point on it becomes much more of an effort to play the game because then you need to become better in all of those fields, while also becoming faster. But to be honest that point is probably 2/3rd's up the tree of all the people playing.
At the bottom to upper mid level all you need to win is to figure out the macro game of building construction while also getting enough workers and units. With enough of that no micro is needed, just attack-moving into the enemy is more than enough.
Then at the upper mid level you're going to run into people who often don't build as effectively but they'll micro every unit or they'll be constantly doing raids when you don't expect it, scouting better than you and/or just understanding which units are better vs which so as to counter you.
From that point on it becomes much more of an effort to play the game because then you need to become better in all of those fields, while also becoming faster. But to be honest that point is probably 2/3rd's up the tree of all the people playing.