Yes, and they are the crooks who invented Visa and they probably now recognize that bitcoin is a direct competitor, therefore expect them to do everything in their enormous power to kill bitcoin.
They may be the ones causing the current pricing upheaval as they certainly have both motive and ability.
You raise a very interesting point.
If and when the banks come to realise that Bitcoin is a competitor to their whole way of existence, how long before they refuse to to business with anyone buying and selling Bitcoins?
What value will an alternative currency be that you can't exchange for dollars?