The subtext behind that may imply that if you are not pleasing to the eye, or aren't a card carrying member of the 'fairer sex' you can't be good, because that's the preserve of the pretty. How shallow! Beauty is only skin deep and all that.
This whole thread (ever expanding), is pretty dark.
It shows a mentality shown a lot with Amber Heard supporters "oh she's so pretty".
As though that somehow makes it impossible for them to be a bad person.
And so many examples are popping up now.