The job of the Central Bank is to worry.
It's a technical, fairly difficult job that has no particular political connotations, so I doubt there are any big campaign contributors dying to be on the Fed. And remember, it doesn't pay very well, certainly by Republican standards.
The increase in inequality in income is a longtime trend, but the pressure on middle- and low-income workers is going up rapidly. Especially if they live in an area where there are high housing and gas prices, like California.