I don't think the debate is very open about assumptions, and this is not science, this is basically at the border of philosophy and religion. I personally thin

I don't think the debate is very open about assumptions, and this is not science, this is basically at the border of philosophy and religion. I personally think that a lot of long-terminist thinkers today have separate sets of simplifying assumptions (which they do not question), but come to some sort of negotiated compromise on what the future holds in order to fund projects, for example. This is the worst of all possible forms of discussion.