The usual purpose of the badge system is to guide users to more constructive participation. However, the gold-level Reversal badge seems to serve the opposite goal:
Provided answer of +20 score to a question of -5 score
This badge encourages people to provide answers to bad questions. However, as I was recently taught by our moderators who recently chastised me for answering a bad question, this behavior is not wanted on this website.
Because I believe that mods must have a much better understand of this website than anyone else, the only possible conclusion is that this badge is inappropriate for GDSE and should thus be removed.