So what if we had full vision.

Lets say we didn't have wards in this game and we had access to full vision on the whole map. I'm willing to bet people would still die to ganks and here is why. For one, this is coming from someone who mostly supports and/or would top BUT managed to see their junglar or mid disappear or leave the lane going towards a river bush or heading upwards. You can ping all day, you can say incoming, hell even IF their is a ward placed where they see the person coming. How many people would STILL get caught and make me want to throw my keyboard.

And I'm willing to bet even if we could see everyone on the map at all times people STILL would get caught. The other action would be just remove the map in general but that would only mean team coordination would have to play in effect for rank.

Don't get me wrong, throw a ward save a life that's the motto. However I've seen more cases where wards general don't do anything because people are "Tunnel vision" .