Earlier quoted context omitted.
How would the roadmap for turning a democracy into a one party dictatorship differ from the trajectory we are on?
Which democracy? The USA isn't one for decades already
Fewer than you would a year or nine ago, certainly, and a lot of people are working very hard on closing the gap.
Democracy is a spectrum. There have always been significant flaws with American democracy, but you'd be mad to not observe significant, active regression and effort by the government to replace it with something else.