Those low interest rates were the banks borrowing American tax money for free and getting paid to lend it out, no risk all gain. You look at many bank’s sheets since the interest hikes last summer and they are usually taking huge losses now that it costs them to lend. The big money is in tech? Like Nvidia being 2/3rd owned by “institutional investors,” aka banks? You are literally part of the problem if you think you are educated while being so clearly disconnected from reality.
They are an investment company, they take assets and invest them, similar to how a bank takes deposits and uses it to lend. That one is open to regular deposits and the other is more exclusive is not the hill to die on. Also are you able to name banks that are enjoying the rate hikes? Because literally just this week a few banks such as Citi and JPMorgan revised their outlooks downward since they no long see interest rate cuts coming this year.