I don't think the communists will take over in that sense.
But eventually, if there isn't cash flow from the top, if there is no trickle down, these left wing kooks in the Democrat Party will start winning most of the elections.
They're not going to overthrow the constitution, but they will none the less massively expand the already massively bloated bureaucracy, with all the colossal inefficiencies there in.
So it's not that they are going to overrun anybody, but they can still do a lot of damage. Vandals in essence.