This is very neat from a purely scientific perspective. It seems pointless and misleading to try to present it as having direct practical value.
For a 'regular' one time pad this is not the case. Someone could have copied it and both Alice and Bob would be none the wiser until it's too late.
One-time pad based encryption schemes are theoretically unbreakable - one of the things (the thing?) holding back wide spread adoption is the difficulty of proper key management. This has the potential to solve that issue.
If I had a buck for every time this was said about a scientific discovery, I would be quite well off...