Our strategy with FIs has not been to push them to use XRP or RCL. The strategy has been to offer them a solution that will get better when and if XRP can provide intermediary liquidity.
Until fairly recently, mentioning XRP to an FI was a big problem. They were just unwilling to go anywhere near it. This was one of the factors driving the pivot to ILP.
Recently, FIs have become more receptive to using a crypto-currency like XRP. Frankly, it's not an easy sell because XRP doesn't have