For the record, I was very surprised to get a downvote for this. I think it's very common, more or less universal actually, to forget that we are only alive for a tiny slice of human history - and it's basically absurd to imagine that things that happen right now will remain uniquely important for all of future time. Basically this is flawed thinking, like those fallacies that people routinely debunk here. Of course one way that this thinking might not actually be flawed is if it turns out there's not too much future time (for the human race). And my comment covered that too, more elegantly than I'm doing here.