I've never cut off a relative for their politics, but I've cut off relatives because they wouldn't shut up about their politics.

Talk to me about all the gardening you're doing after retirement, about your new motorcycle, about the fishing this year, hell talk to me about your favorite sports team. I'll listen and interact, even if I'm not particularly interested in those things. Tell me for the 500th time about how Biden was a commie and I'll just eat Thanksgiving with my in-laws.