My boyfriend always liked girls on tik tok shaking their asses and there nips out?

I’ve been with my boyfriend for two years and we always have the same fight how he likes girls on tik tok that shake there asses and are particularly naked. I always tell him how it hurts my feeling and it disrespectful that he does it. He gets mad at me and says it just social media and I should care that much. He finally ends up deleting his tik tok for a couple of days and saying sorry but then just re downloads it and does the whole thing over again. I don’t know what to do. It makes me extremely uncomfortable. He treats me good but he just seems like he never listens about something we tend to fight about a lot. Why would it matter if he liked the video or not? I feel like this is a red flag that he he can’t just look and not like it? Am I being over dramatic?
My boyfriend always liked girls on tik tok shaking their asses and there nips out?
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