Lord knows how many times in a single battle I pushed that poor bastard, the dot button. It is THAT invaluable, once those bullets start flying, and drivers start crashing on walls. One little piece of ingenuity it is indeed.
A unit's LOS may put the shadows back on the map, but I will always click on other units that beg my command, and that will bring the beauty back.
Oh, and the easiest scenario on WW2 is Graftstorm Raid, by the way...