My Answer comes from Thomas Paine:
"THESE are the times that try men's souls. The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of their country; but he that stands by it now, deserves the love and thanks of man and woman. Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph. What we obtain too cheap, we esteem too lightly: it is dearness only that gives every thing its value." I beleive that I would have joined in, there really was no other logical action to take.
the "greatest good" we have learned from flt93 is, "don't fight 'em---outclass 'em!" doc