Translation of "Sticklers" in German

In the German Wikipedia there are people who are such sticklers for rules, that other contributors, often far more knowledgeable, take to their heels en masse.

In der deutschen Wikipedia gibt es Leute, die eine solche Prinzipienreiterei an den Tag legen, dass andere, oft weitaus sachkundigere Mitarbeiter scharenweise das Weite suchen.