I think that is actually his point. If you don't have to turn your head to the side to look back, at your speed, etc., the road ahead stays at least in your per

I think that is actually his point. If you don't have to turn your head to the side to look back, at your speed, etc., the road ahead stays at least in your peripheral vision, at most an eye movement away. I mean, have you seen how some people fiddle with their radios while driving? Personally, I'd be happy if at least a part of those people had the chance to keep their eyes on front while they do that. I might be biased though, due to the german speed limits and not being a driver myself :)