Honestly, they should be the one telling their client about Bitcoin because it is a new economy, but these old bankers have spent all their lives dealing with fiat that they are at lost on cryptocurrency.
Now Bitcoin not a new economy, it's over 10 years ago was invented. But bankers,engineers,doctors,lawyers and a lot of different profession communities there are no good idea about blockchain technology. Many countries banks trying to develop blockchain system in the banking sectors.