On Tuesday, August 11, 2015, Magnus Manske magnusmanske@googlemail.com wrote:
Out of curiosity, was it ever used again after that initial action?
Yes. It was used a few months ago to prevent editing the Germany item on Wikidata due to a very serious breaking issue. Also on several pages following legal disputes.
Superprotect in my opinion if used correctly is an essential tool which can prevent legal and technical issues that can in theory cause wide disruption.
John