Complex sentence: Playwright and corporate communications consultant Syl Jones suggested that Minnesota nice is not entirely about being "nice"; rather, it is more about keeping up appearances, maintaining the social order, and keeping people in their place.
Split into simpler sentences: Playwright and corporate communications consultant Syl Jones suggested that Minnesota nice isn't really about being "nice" at all. It's more about keeping up appearances, maintaining the social order, and keeping people in their place.