I think there is more to it, but 99% of what Loose Change says has already been proofed to be not true:
http://www.loosechangeguide.com/LooseChangeGuide.html
This site will show you scene by scene, minute by minute that Loose Change is wrong in 99% of what it claims.
They showed Loose Change 2 on national TV yesterday here in The Netherlands. Before that they had a documentary that already prooved most things mentioned in Loose Change are incomplete or incorrect.