On point 2 - notice how flat your graph is for the last 6k years?
Also, why do you think the impact of past changes on a tiny group of humans living as hunter gatherers is of any relevance to 8 billion people living in the modern world (including, for example, in massive coastal cities?)
Also, why do you think the impact of past changes on a tiny group of humans living as hunter gatherers is of any relevance to 8 billion people living in the modern world (including, for example, in massive coastal cities?)