Earlier quoted context omitted.
The whole point of the censorship is to stop Youtube from being a tool used for terrorist recruitment. If the terrorists can just check the box "all content" then it's useless.
Terrorist induction videos would clearly fall into Not-legal category. I think NSA can easily stand up resources to scan new videos as they arrive and tag as legal or not-legal. Or, we can demand a judge's decision on taking away someone's freedom of speech as the constitution clearly indicates. And, I have a hunch that three letter acronym gov organizations dealing with keeping us safe would rather know who is inter…
Freedom of speech only says the government can't stop your speech. It doesn't say that private organizations have to provide you a platform. Youtube also has freedom of speech. They have the freedom to filter and compile videos that they like and only show those. It's also not youtube's responsibility to optimize their site for helping the NSA to track terrorists.
If I create a website that allows people to upload videos, it's perfectly fine for me to filter those videos and only show the ones I like. It's my website after all, I am allowed to control what is on it.