The guy is an a$$hole. There is a reason why the vast majority of human societies bury or burn the dead. DISEASE!
Eat human flesh and die from the germs.
At least Soylent Green was sterilized first.
< / snark>
PS
How to get rich. Write a book that says we’re all doomed, or that we’re all bad through and through, or that Western Civilization’s got to go, or that traditional morality is bad.
Generally not if properly cooked.