I've seen a version on Reddit: Law of Reddit XCVII: You can make a redditor believe anything, no matter how outlandish, so long as you preface it with

I've seen a version on Reddit: Law of Reddit XCVII: You can make a redditor believe anything, no matter how outlandish, so long as you preface it with "Contrary to what you hear in the MSM...." But I guess that's a tad more specific than generic second opinion bias, which is what we see here