I still think the circle should act as a wall heavily obscure vision both in and out of it.
Between camping the edge for stragglers or camping in the blue I'm not sure what's more annoying.
this - if your in the blue zone looking out, your viewing should be greatly obscured so you can't just sit stimming in the blue zone early doors. Same damage to staying in the blue zone but your vision "through" the blue "wall" should be greatly obscured/smudged etc