My family is so closed minded, is this normal?

Every time I get together with my family, we seem to get into debates about politics and religion where I'm the only one with a different viewpoint from the rest. I try to keep open and listen to what they have to say, but I don't feel they return the favor. Every time I give my opinion (nicely) they rebuttal it forcefully without even giving a second thought about it. It really saddens me and makes me not want to be around them because they are so closed off. I feel like they think I'm uneducated, but to be honest... I feel pretty competent (I'm the only one in the whole family about to attain a bachelors degree). I think it's disrespectful that they all gang up on me. Is this normal? Do other families behave this way?

Do you think it's normal?

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