This new administration lays bare what we've known all along - the legislative gridlock and dysfunction in the house of representatives and senate has made them completely incapable of governing -- the least productive in a generation. This is opened up an opportunity for a well funded strongman, and the checks and balances that were intended to protect our democracy are now mere suggestions.
There was bipartisan (Republican-ish) immigration legislation with enough votes pass until Trump told people to vote against it, because he knew that he could blame the problem on his opponents and many people would believe him.
Note that none of this would be possible with Citizens United and dramatic media consolidation in the hands of a few oligarchs. ;-(