I know a lot of people have their own opinions on this. People say something like “It’s Fontaine’s Fault” or “It’s because of ADAM”. To get to what really caused Rapture to fall let’s get rid of the things that actually didn’t.
First lets look at “It’s all Fontaine’s Fault”. People are comfortable in blaming Fontaine because he’s a monster of a human being, so it’s clearly HIS fault. Nice and simple, right? Well, the world isn’t nice and simple and neither is Rapture. The problem with Fontaine being the reason for Rapture fall is that he is only one man. Now he did sneak some of his own people in Rapture but that would be only ten or twenty people. That means it’s ten or twenty people verses a whole city of tens of thousands of people. Those are not good odds.
But Fontaine had help a lot of help that people were giving to Fontaine and they didn't know it. The objectivist philosophy tha