no shit Sherlock.Raising the rate a quarter of a percent is not a big economic factor, even 3 times. But the ability to raise and lower it is how the economy is managed. Moving the rate is one tool the Fed uses to lessen economic problems. It is also how inflation is handled.
what you miss is we ALREADY HAD 3 INCREASES before the December one.
and that was done in what is essentially a bear market..FED couldn't design a better way to start a recession if it tried