Straw man argument. No one argues that inequality and undue influence from the top 1% aren't inimical to American democracy.
What's NEW as a threat is the willingness by Trump to accept lies about the outcome of an election and then to invite and incite his followers to illegally interfere with the peaceful transition of government.
The hundreds of people arrested, tried and convicted were a clear and present danger to American democracy.
The fake electors and would be kidnappers of the MI governor are a threat as well.
Proud Boys and Oath Keeper? F'ing treason weasels.
All of the above omitted by the author of the opinion piece.