My cousin tried to argue that birds aren't real last Christmas. My grandma almost threw her pie at him for disrespecting science. Now we just avoid conspiracy talk at holidays.
When family brings up wild theories, things get messy fast. My uncle was big on flat earth, so we got good at switching topics to safe things like sports. Having a backup subject ready stops arguments before they start. It feels like dodging the problem, but holiday peace is more important. Those talks never convince anyone, they just cause drama. Keep it light and save the pie for eating, not throwing.
Trying to explain my old chemtrails phase at Thanksgiving nearly got me disowned. Some debates are just not worth the family fallout. I've learned to just nod and pass the potatoes.