This is especially obvious if you view religion as essentially a source of ethical rules for
human behaviour rather than theological
truths about God and make the techie assumption that content equals rules; then, if all your churches come up with the same rules, they must all be based on the same content, and thus they must ultimately all be the same.
In just 1400 words he manages to cram in just
about every fallacy from the environmentalist's handbook: he appeals to the dodgiest of authorities, sells politics, catastrophism and factoids as scientific
truth, misrepresents his opponents» arguments, cherrypicks data, explains
human behaviour in biologically deterministic terms and politics in environmentally deterministic ones, and resorts to the green equivalent of Pascal's wager while accusing «deniers» of religious zeal.