Yup - like I said, my son’s older sisters bullied him (albeit mildly) into embarrassment about My Little Pony.
But he watched it on the sly and I don’t say anything.
He finally realized for himself that he didn’t really think it was a great show.
It takes an active parent to stop sibling bullying. When you homeschool, you have to really clamp down on it as much as you can because not getting along is not an option.