I think it's more likely that they're just getting with the times. Frankly, I'm surprised that in 2024 there are financial institutions that don't already require binding arbitration. A clause like this has been in my membership agreement for many years or even decades with both of my CUs and all of my credit cards:
Arbitration and Waiver of Class Action
To the extent allowed by law, all claims or controversies arising between you and the Credit Union shall be subject to arbitration. ARBITRATION IS FINAL AND BINDING ON THE PARTIES AND SUBJECT TO ONLY VERY LIMITED REVIEW BY A COURT.
It goes on for a few paragraphs.