It's like the evil airborne castle that appears in a different place each day in the sky, it's...it's... the Leftist Goalpost!
(The rules are what they say the rules are, if they even say what the rules are, and if they don't, you can be assured they know what those rules are today (maybe) and they will enforce them, whether they tell you what they are or not.
Like Fecebook saying "this post contains false or misleading information" but that information is never challenged nor specifically indicated. So, I'd repost the information in the comment section and that usually was missed by the Fackchek 2020 'puter algorithm. It had to be a computer doing the greyouts, a human couldn't hit the button that fast, that consistently.