Why am I the only one in my family that cares about ancestors from hundred years ago but no one in my family actually cares about uncovering ancestry?

I think looking into ancestry is interesting, but my family doesn't care. I guess it just doesn't impact them at all now, so why would they? I think it's interesting to look into, but I also understand that it has nothing to do with how they live now, so they don't really put too much into it.