Banks working together is a scary idea. This was the notion atop which the recently disbanded Payments Council (UK) was based - an organisation that failed to deprecate BACS/CHAPS, had to be told to implement Faster Payments, came up with the 'innovative' pay-by-mobile-number scheme, and replaced swipe & sign card payments with a JavaCard that knows it's own 4-digit PIN.
Feast your eyes, ladies and gents. What you are witnessing is the formation of a cartel.