I have never heard of or seen evidence of this before, and I've been using Reddit for the last ten years. "Power mods" is a colloquial term used for users who

I have never heard of or seen evidence of this before, and I've been using Reddit for the last ten years. "Power mods" is a colloquial term used for users who are moderators of a large number of subreddits (especially large ones). It isn't a separate, special status.