bank lives in fees of transaction, bitcoin is not.... yet.
thats why bank feels bitcoin is a threat.
Who said that bitcoin is a threat for bank? And valid links or proof? That threat thing is just a man made speculation and now spread so other readers adapt that thinking as well.
thats funny, you must be new to bitcoin if you dont know that bitcoin might change the whole financial system in the future what would mean a fall of banks so i guess it is a pretty big threat for them...
i definitely go with a bitcoin wallet in order to avoid big fees and avoid being banned from sending my money anywhere i want and how much i want at any time