The Dems have to put in the work to make sure that trump is viewed as the worst president ever. By all rights, W Bush should have had the title, but the Dems acquiesced in the cultural amnesia that Bush never existed. A blown opportunity to tarnish the GOP long term.
How come no Dems are talking about how W Bush and Trump represent the GOP and were disastrous Presidents who set America on the road to decline and hate. Then go on to make whatever other arguments, such as Republicans are incompetent at governing because they don't believe in gov't. How all the money shifts to the Rich with tax cuts for the wealthy, and then the Dems are handed a bankrupt country, so the GOP can claim there's no money to aid the poor and working class.
Can't just assume Americans understand these things. Need to repeat them and make them generally agreed to facts. Dems need to be more involved in messaging and shaping history.