I don't get this business that now that teams see this they will dump whatever they're doing and try to do that too. First off, it's hard to do and you gotta have a great QB (which most teams do not) and a stable of play makers (which most teams don't have).
There area few teams that have this going on right now. Defenses will catch up, they always do.
I remember a few years ago when the read option run was revolutionizing football and it would never be the same again.