They sound very insensitive. Limiting your time with them sounds like a good plan. Keep it to a minimum. As little as possible or maybe none at all. Who needs such stress

I encourage you to eventually share with a guy you are dating some of the things about your family. I bet he has some stuff to share too. My family “seems” nice too. I mean they might not be completely awful but they are dysfunctional. His family might appear ok but who really knows. He might relate.

Facebook is a menace. And so are holidays when have to see extended family. The best holidays I ever had are the ones when I didn’t have to see extended family. The only good thing in pandemics was not having to visit with family or them coming over