I grew up with and practice live within your means and if you can't
afford it don't buy it. AMEX seems to think you need to be wealthy to do
that.
"It is now going back to servicing wealthy Americans who can afford to
pay off their balances in full every month. "
http://www.huffingtonpost.com/2009/03/02/visas-new-ad-campaign-ame_n_171013.html