Keep doing it.

You think no one gives a shit what you think? They care more what you think than what women think, so push through the discomfort and keep doing it.

I don't know what the "endgame" is, but that discomfort is literally how rape culture is perpetuated. It's too uncomfy to call them out so they think nobody minds, and if you keep associating with them and not calling them out, they'll think you agree with them. Do you want that?

They dig their heels in when called out because they feel uncomfortable when called out, and they fucking should feel uncomfortable, so keep doing it.