Yes it is discrimination, discrimination in and of itself is NOT actionable everyone discriminates every day.
I wrote about what performers COULD do
http://www.mikesouth.com
a lawsuit would lose in a court of law but it *Clould* be a winner in the court of public opinion if done properly.
Problem is finding someone with the money to fund it or a lawyer willing to file it for free....
and Barefootsies i actually talked to Citibank about it...off the record they said it wasnt their business what a customers profession is
Wells Fargo on the record said we welcome any and all customers