Initially well meaning, but not original thinkers, get easily swayed by the morning and evening "social" shows which are nothing but unmitigated, relentless hate filled screed and propaganda.
If you value their kinship, get into serious but polite conversation, and ask them why they support the ideas, pick one, and dismantle it piece by piece.
If you don't values the kinship, walk away
“Nancy Pelosi Comes Unglued....”
Glue, Is that what’s holding her together?