Personally, I think such things are important to people for the same reason that saving some owl or butterfly is important to people. Namely, life is so good and so easy that we have nothing more critical with which to concern ourselves. Victims of our own prosperity, so to speak.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.