The biggest way that the executive order was revolutionary, according to Napolitano, had to do with part of the signing. When Trump signed the larger document meant to start the repeals process, he went after parts of the law that had been implemented via executive order rather than Congressional mandate.
http://www.thedailybell.com/news-analysis/trump-is-a-revolutionary-free-marketeer-but-maybe-something-else-as-well/