I think maybe the "vice versa" version works equally well, too. As long as you can convincingly appear incompetent enough, you can often get away with supervil

I think maybe the "vice versa" version works equally well, too. As long as you can convincingly appear incompetent enough, you can often get away with supervillain levels of malice these days. Either way, your genius twist on that old phrase wins an upvote from me.