There shouldn't be a problem unrooting with the new leak since all it does is downgrade the radio. The whole reason we can even root is because the devs figured out that if we use the unreleased radio that was being used for testing before the phone was released, then we would be able to gain access.
The problem we have is coming up with a root method that works with the new updates but as long as we have the option to downgrade the radio we should always be able to root the phone. You would just have to then count on the devs to release updated versions of Verizons OTAs that work with root access.. which so far doesn't seem to be an issue.