The problem is there is too much graft, greed and corruption. The “enemy” of a democratic America (please, no Republic clarification) is that all of the democrats, and at least half the Republicans are in on the deal.
Getting a majority in the House and Senate isn’t going to be enough, and it would take a generation of a tough effort to get enough good people in there to truly get Washington back supporting the American people.
Meanwhile the Deep State would be fighting back at every turn.
You are right. May take more than one generation, though (unless there is some unforeseen once in a century event).
enough good people
the only way to reduce corruption in government
is to reduce government