The atmosphere is so heated, and the statements are getting more and more extreme. Let’s just assume Harris wins the election. After a campaign like this, how could you ever have a normal relationship with your pro-Trump neighbor/father-in-law/Uncle/Barber or what ever again?
If they treat you badly, cutting them out of your life is fine. No one should put up with that from anyone.
But cutting people out of your life purely because they vote differently to you is just weird and petty.