The problem with Zeitgiest (and there are more than a few) is that there is some good info in there, but it gets burred by the crap.
This allows theists to blow off the entire thing because of the poorly researched, un-scholarly, and false info that it contains.
This allows theists to blow off the entire thing because of the poorly researched, un-scholarly, and false info that it contains.
You'd believe if you just opened your heart" is a terrible argument for religion. It's basically saying, "If you bias yourself enough, you can convince yourself that this is true." If religion were true, people wouldn't need faith to believe it -- it would be supported by good evidence.