I am not all that sure John is completely responsible for his alleged actions here. I think the stress of being the lone spokesman for the poor, especially poor hair stylists, in America and the immediate threat of global warming affected his ability to make good decisions.
If you knew for sure, because the science is settled, that soon your 30,000 sq foot mansion in South Carolina was going to be underwater after going to all the trouble to channel dead babies and destroy doctors lives just to pay for it, well... you would have a lot on your mind too.
We also have to keep in mind that his daddy was a poor mill worker.