Thanks for the post. RVs and RV CGs are still exempt as I understand the article, as is agriculture exempt.
However they should not be exempt IMHO and perhaps a future change will require them for RVs.
I've posted many times that every RVer should plug into a 20A GFCI outlet and test their 120V equipment. That limits heavy draw appliances to testing one at a time but still a reasonable test.
Should GFCIs become common place in CGs I suspect there will be significant numbers of upset RVers who have no power. And finding those faults can be time consuming and hence expensive.