I don't think you're seeing how much volume and geographic dispersion that figure entails; it's not like they're routing it all through Penn Station.
Given the widely publicized derailment of a 1.4 mile train resulting in absolutely fuck all happening to prevent it again, I imagine it would take a complex and highly coordinated campaign just to rise above background. You're not going to accomplish much with a handful of isolated cells doing stochastic terrorism.
I don't think you're seeing how much volume and geographic dispersion that figure entails; it's not like they're routing it all through Penn Station.
Given the widely publicized derailment of a 1.4 mile train resulting in absolutely fuck all happening to prevent it again, I imagine it would take a complex and highly coordinated campaign just to rise above background. You're not going to accomplish much with a handful of isolated cells doing stochastic terrorism.