My little brother and I used to be fairly close since we enjoyed many of the same things (music, tv shows, hobbies). I got him his first, his second and his current part-time job and in general I rather liked hanging out with him. When I came out he was very protective of me and gave my girlfriends the "If you hurt her, I'll hurt you" speech, which amused both me and my then girlfriend immensely.

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However, more recently my brother has gotten very into 4Chan and inceldom and general alt-rightishness. He thinks it's fun to 'trigger' me by saying stuff like "I don't think women should be allowed to have abortions", "All immigrants should be shot dead." (My current girlfriend is an immigrant) and "lesbians should be forced to have sex with men". I've told him politely that I feel uncomfortable hanging out with him if he keeps saying things like these. This makes him angry because "clearly they're all jokes". He thinks I'm the asshole for not wanting to hang out with him and talk about his hobbies, just because he occasionally makes a tasteless joke. He can occasionally be very nice but I just don't feel comfortable being around him when he makes these 'jokes' that don't respect my personhood and of people close to me. 

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AITA for thinking this is enough reason to want to avoid him? Or should I just lighten up and still hang around my brother because we do have other things in common?