That's about as fair as if I were to try to hang the Texas polygamists around the necks of the LDS folks in Salt Lake. Sort of a sun is to green as ocean is to yellow comparison.
While the rift in the PCUSA is recent, within the last year, it's still a definite change about belief among groups.
As the polygamy issue goes back over a hundred years ago, I hope the usual FR suspects who post all the "fLDS" stuff are taking note.