I sense a common thread
One of the first things I learn about US etiquette was you never discuss politics and/or religion at the dinner table. After the meal and especially after alcohols has been consumed is not recommended either but sometimes is hard to avoid.
But gathering at the table for a family meal is a sacred ritual and should be done in peace or at least with a healthy dose of moderation. It is the time to take measure of what we have, what we had and simply to enjoy each other (as much as possible). Some relatives may not stand each other, but more than likely there will be a third one that does love those two and the least you can do is give that relative a nice memory, not one trying to decide who was the most disrespectful.
Stop being an egotistic jerk and think of others if anything but for a couple of hours. And that include not rubbing triumphal political dirt on others.
Perhaps, Miguel, you don’t discuss politics at the holiday gatherings because you’re not an emotionally unstable moron who needs to hear the sound of his own voice.
I’m going to drive 4 hours on Thanksgiving to see my favorite aunt & uncle and cousins, and I know all but one voted for the commies. It won’t come up.
The appropriate response to this is to update your will. After all, these good Comrades would not want your dirty Maganazi money, would they? Also, the trash taking itself out is a good thing.