Perhaps it was Onan, The Barbarian...........
Our work, together with that of others, shows that the conditions for extinction can be set up long before the actual extinction event.”
Gee, just like the Democratic party....
As for the wooly mammoth, maybe they made for a nice BBQ once you scraped off the wooly part. How tough could it be to kill one of these slow moving animals for a bunch of guys with spears?