Banks were not queuing up to do it the first time and it didn't work out well for the bank that did (Goldman). Who else is compromising
And in the bottom-right corner of the titanium card and in the picture in Wallet. And it's advertised practically everywhere they mention the titanium card. And if you have Apple Savings it's also specified to be from GS everywhere.
Consider the transition takes 24 months I wouldn't be surprised if the discount allow them to run three years with clause to terminate at later date. The downside and exposure should be limited with great upside on worldwide launch.
But judging from Apple's speed with their execution in Apple Wallet this will likely take a lot longer than expected.
But the execution has been absolutely appalling.