Oh please, spare me. Enumerate those that did not have television or access to the public airwaves or relatives that did not relate the impending storm via landline or cell phone or a personal visit.
You are stating that, in your words, "Many had little knowledge of the ways of the world outside their neigborhood."
Your post defies logic, is not rooted in fact, is obsequious and demeaning to those that perished or are homeless.
As for the buses not running, phone the "mayor" of NO. I encourage you to see the hundreds of school buses now swimming with the fish. You'll find the picture posted numerous times here.
Ignorance is not bliss, especially when a Cat 4 hurricane is coming your way.
Come back when you have a more lucid excuse.
I am happy to engage in debate. Please refrain from rudeness and I will be happy to do the same for you. I will come back later.