Not necessarily to the extent that they did - I just found it odd that he kept saying (paraphrasing) you are breaking federal copyright in every first line of anything he wrote.
It just sounds like an empty threat much like someone illegally downloading a TV episode, movie or CD from a torrent site.
I can see the side of the theater company and director.
There have been lots of deconstructed re-imagined interpretations of existing works in experimental theater.
Personally, I believe there is room for that too artistically.