It might not be uniquely American but imo there is something particularly anglo about the way that politics there is individualized, which leads to family rupture. The system is already perfect, so the problem must be that your grandpa has bad opinions.
It is similar in the UK; the Americans just do it with more razzmatazz.
I'm from Norway and I've cut Fellow Countrymen™ out of my life for spreading anti-vax conspiracy theories and Kirk lionization

