Occam's razor.
Which requires more assumptions:
-The US Government flew two planes into the twin towers, one into the pentagon, and then crashed one in Pennsylvania killing nearly 3000 americans in an elaborate setup that allegedly would be debunked by science with the whole "jet fuel doesn't melt steel", come up with excuses for said controlled demolition, manage to keep EVERYONE in the massive conspiracy quiet but fail to keep conspiracy theorists from figuring out the truth and posting everything on the internet.
OR
-A bunch of Muslim fuckups who are known to be terrorists killed nearly 3000 Americans in a terrorist attack that flew planes into buildings.
Which requires more assumptions:
-The US Government flew two planes into the twin towers, one into the pentagon, and then crashed one in Pennsylvania killing nearly 3000 americans in an elaborate setup that allegedly would be debunked by science with the whole "jet fuel doesn't melt steel", come up with excuses for said controlled demolition, manage to keep EVERYONE in the massive conspiracy quiet but fail to keep conspiracy theorists from figuring out the truth and posting everything on the internet.
OR
-A bunch of Muslim fuckups who are known to be terrorists killed nearly 3000 Americans in a terrorist attack that flew planes into buildings.
