Well, whether "for what purpose are we here" is useful depends on the answer to "by what means did we get here" or "what caused us to be here". If we are here

Well, whether "for what purpose are we here" is useful depends on the answer to "by what means did we get here" or "what caused us to be here". If we are here merely because of chance occurrences, then of course there is no objective meaning or purpose. But if we are here because something or someone put us here, then it's a good question to ask why we were put here and for what purpose.