You can't fight that sort of thing. It is like fighting the changing of a language. Buddhism changed as it moved from country to country in Asia. Zen Buddhism branching off into "Zen" the nu age ( whatever that means ) practice is just another turn of that wheel. If Zen Buddhism has good stuff to offer over Zen, some people will do it and carry it on.
In reading the scriptures, there are two kinds of mistakes:
One mistake is to cling to the literal text and miss the inner principles.
The second mistake is to recognize the principles but not apply them to your own mind, so that you waste time and just make them into causes of entanglement.