I feel bad for his sons (your nephews). If I were you, I'd weasel drops of knowledge and integrity upon them on the DL when you have an opportunity. You wouldn't want multiple idiotic versions of your brother. Hopefully you only see your brother strictly at get togethers only. I know from experience dumb siblings are just as dangerous as strangers.

I'd be more disgusted with how much he enjoys watching his daughters and nieces consume them.

Jeebus Christ popsicles have been rainbow colors for decades now. But sure this box looks gay 🙄 Let your nephews know that they can come to you if they ever need to know about "gay" stuff. Because lord knows your brother won't be help.

My theory is that homophobes usually come from one of two things, either the way they were raised or internal struggles with their own identity. Since you come from the same family, I’m betting brother has internal tendencies towards being gay and he is overcompensating. It’s sad but stupid and I doubt he can be helped. So just stay away from the A-hole.