The dens on the Hill destroyed themselves. There was a time when congress, regardless of party, jealously guarded its power vis a vis the executive. Thus, the executive needed congress in order to govern. The democrats have ceded that authority making themselves irrelevant to their own Dear Leader. What does he care about congress if he governs by executive fiat. They could have 50 seats in the House and he would care the less. More of the other party to blame and continue his never ending campaign against.
The Republicans do the same thing when the president is a member of the Republican Party. A good measure of legislation originates in the executive department, either WH directly, or a regulatory agency. Somebody in Congress affixes their name to it and drops it in the hopper.
Congress has been persistently reluctant to exercise its power. This theme goes back a hundred years, maybe more. Congress might complain about the president, but it won't do anything to curb the unconstitutional exercise of federal power.