What do you think about those who celebrate Christmas but don't know its meaning?

I was just thinking about this. My dad is Buddhist and my mom is Catholic. My dad’s side of the family are Buddhist and all celebrate Christmas. I think it’s a good idea even if you’re not Christian because it’s still family time, loving, and caring which is what Christmas should be about. I’m not a religious person and I don’t consider myself too much of a believer BUT

I find it a little messed up that those that celebrate it don’t even know that it’s the celebration of Jesus’ birth. I know it’s not his exact birthday but it’s still a celebration for him.

My boyfriend is Buddhist and he doesn’t know much about the Christmas meaning (Jesus) and honestly he seems to be only Buddhist because it was he was raised to be in but he’s not religious at all.