While I agree that the vast majority of typical bankers will have no desire to see bitcoin succeed, [...]
That's painting with a broad brush
Most bankers probably have never heard of bitcoin, and when they do, they won't care because it won't change their daily lives one bit. The bankers I talk with say "hum, that's pretty cool" and then go back to filing
Bitcoin is a currency. When bitcoin is big, they will use it. While bitcoin is small, they will ignore it just like they ignore the currencies of hundreds of tiny, inconsequential countries.
Bankers are just there to make money while handling money. It's not an ideology