No I don't I watch the map lol. I can just click on the map and watch whats happening.
*facepalm*
Did I say minimap awareness? If anything you'll have to be fixed on the minimap as you'll only ever know you're being ganked... when it's too late. Focus too much on minimap means less chance of last hitting / focusing on your laning phase. blahblahblah.
Put it this way, from top river, I can see everything, I know I won't be ganked from my turret, so I can move my camera angle to allow maximum view on both river, top brush and towards their turret. This means if I get surprised ganked, I will know about it roughly 2seconds before you ever will. You get me? Allowing free roam camera gives me the "edge" in view. Find me one pro streamer who uses locked cam, and I'll give you a cookie.
P.S Ever played Nocturne? Try it, with locked cam /trollface