Is TIAA Bank at risk?

Could you elaborate on the potential risks facing TIAA Bank? Are there specific factors or indicators that have raised concerns about the bank's stability? Are depositors' funds at risk, or is this more of a speculative concern? Additionally, has the bank taken any measures to mitigate these risks and ensure the safety of its clients' assets? It would be helpful to understand the context and basis for any concerns about TIAA Bank's risk profile.