Whole response in case youre interested:

"It is legal for banks to use consumer deposits for bank yield because it is a necessary part of the banking system. Banks need to generate income in order to cover their costs and generate profits. Bank yield is one of the primary ways that banks generate income.

Without bank yield, banks would not be able to lend money to businesses and consumers. This would have a negative impact on the economy. Additionally, without bank yield, banks would not be able to generate profits for their shareholders. This would make it difficult for banks to attract capital, which could destabilize the banking system.

Of course, there are risks associated with bank yield. For example, if interest rates rise, banks may have to pay more to depositors than they earn on their loans and investments. This can reduce or eliminate bank yield and make it difficult for banks to cover their costs and generate profits.

However, the benefits of bank yield outweigh the risks. Bank yield is essential for a healthy and stable banking system.

Here are some additional reasons why it is legal for banks to use consumer deposits for bank yield:

* **Banks are regulated by the government.** The government requires banks to meet certain capital requirements and to maintain a certain level of liquidity. These regulations help to reduce the risk of bank failures and to protect depositors.

* **Banks are insured by the FDIC.** The FDIC insures deposits up to $250,000 per depositor, per insured bank, per ownership category. This means that depositors are protected from losses even if a bank fails.

* **Banks compete with each other.** Banks compete with each other to attract depositors and borrowers. This competition helps to keep interest rates low and to ensure that consumers have access to affordable banking services.

Overall, there are good reasons why it is legal for banks to use consumer deposits for bank yield. Bank yield is essential for a healthy and stable banking system, and it is protected by government regulations and FDIC insurance."