Rule is fine as it is.
I'm tired of people finding really pointless things to change, because once you change that rule you will have a bundle of problems... Look at what happened when the obstruction rule/interpretation was changed, or the numerous stripping rule changes, or changes in the time off and scrums...
Why do we feel this constant need to change things when they aren't warranted... Changes to catching the ball in goal on the full were needed to combat the constant use of the bomb, what is this rule change really needed for? There is no reason for it.