I'm under the impression that, in the good new USA, you can't copyright a golf hole design. I would guess that you can be held accountable for using the other course(s) in your marketing campaigns.
The Road Hole has wonderful strategy and could never be truly duplicated by anyone other than a scam artist. I don't think that any of the template holes have been measure precisely to scale; they are all varied progeny of the original creator.
My first thought was, Anthony doesn't know that the RH was/is/will be a par five, but Adrian took care of that issue. I've seen some wonderful Redan entrances/surroundings to par four putting regions, leading me to believe that elements can be shared successfully no matter the length of the hole.