Brian and MT hav already taken some free whacks at Michael Shellenberger, but Eli would a couple too. In a truly deranged article at Forbes Shellenberger goes fully insane 

Who Are We To Deny Weak Nations The Nuclear Weapons They Need For Self-Defense?

Now Eli knows that foresight was never the Breakthrough Institutes forte, given their inability to go beyond the bright shiny thing they see in the candy store window, but Michael Shellenberger needed to grow up sheltering under his desk.

Of course one could put together a carefully reasoned replies to this, but why bother when it has been done 50 years ago, and with rhythm. Going back to the old days of the nuclear arms race Tom Lehrer put it well

and as to the other side there will be universal bereavement, for Shellenberger an inspiring achievement, we will all go together when we go.

Shellenberger has always been a boy playing with toys, not able to figure out that sticking his finger in an electrical socket is not a great idea. As Oliver Cromwell put it, Dear Michael, in the name of God, go. there is more, but it fits so well