A "take position" command should be add to the contextual-menu when the leader selections a teammate and aim to a strategic point.
Point as window, wall corner, stone.

The command should replace the "go over there" command. So the AI won't stand stupidly behind a window but actually lean on the window.
I think the distinction had become very important with the "DLC Marksmen" update. And the ability to use bi-pods...