Is the Horseman of War a Bio Weapon?

"This isn't a 1960s movie ... this is the real planet that we live on," he says. "Everybody in Hollywood knows it and if you want to be part of the club, you've got to go along with that idea" Zardoz may look an awful lot like Sean Connery's Horseman of War, but I don't know for sure how connected they are. The post-bioweapon dystopia is a good way to create a setting for a story where there can be less people around,. But the environment isn't really changed, which sometimes is easier on a budget.