[dredmorbius]

There's a pretty fascinating list of results in Google Books for "a Gresham's Law of" or "a sort of Gresham's Law", dating to the 19th century, suggesting at the very least an ideologically broad, if not agnostic, application of the concept:

https://www.google.com/search?tbm=bks&ei=RGSeXuWpJozdtAa876-...