“There is a focus on how much your platform helped ISIS, and less on how you actually helped them, and there is a difference between the two things. … [Your argument is that] in a neutral business setting, using something that is otherwise not criminal, a platform, to communicate with people, and you’re doing it not by as in the bank situation or pharmaceutical situation, to help this particular person to commit a crime, but in a general business situation that others are coming to you and you can’t find them ahead of time, that that doesn’t constitute substantiality.”