Moneyed interests have always jockeyed for power, but earlier they were held somewhat in check by Congress which had to listen somewhat to voters. With Citizens united in 2010 and corporate media driving polarization to new heights, big money has been able to drown out ordinary voters at at unprecedented scale.
No wonder, the 1% have never had it so good, when they can literally buy the govt they want. Looks like we're headed back to the gilded age and robber barons.