Yes, you are wrong. Players will no longer be able to react to events that are not in their line of sight. The impact on WR/DB interaction should be huge and defensive awareness should be greatly reduced in situations where the player is not looking at the ball. For example, we shouldn't see players making 180 degree spins in the air to catch an INT.
Obviously the devs will need to change/remove/add animations to make this work properly and I have my doubts about how well this will be done. Still, this was a much needed change to gameplay that many of us asked for in the past.