Lol, according to Purge doctrine, God gave man science, and as such science is to be treated as a divine gift. It's a simply justification for the amount of science they employ to enforce their ideals on the world.

But yeah, they're hypocrites. But hey, the vampires want to herd all non-vampires like cattle, choosing to forget that they, too, were once part of that 'herd'.

Everyone's a hypocrit.