Am I Overreacting over my boyfriend posting other girls as his WCW?

Anonymous
My boyfriend made a FB post asking girls to comment their pictures for a WCW post. He ended up posting 3 girls. Now mind you I’m not a over jealous girlfriend I know he has many friends that are girls and it’s cool cause I trust him. Now When I comment on his posts or wall with bae and stuff he responds generically and doesn’t say it back but texts me baby and bae all the time. He told me he doesn’t want people in his business and I already know that some people now we date, I don’t really care to blast my relationship over social media like that. But I feel like I’m the one being looked at as stupid cause he’s posting these other girls and mind you he didn’t even post me. I don’t even care about WCWs but posting 3 other girls and not even your girlfriend just annoys me. Now please tell me if I’m overreacting cause I need feedback.
Am I Overreacting over my boyfriend posting other girls as his WCW?
3 Opinion