And yet, when the Democrats control Congress and the presidency (like they do now, like they did in 2010), they do absolutely nothing to show us how wonderful their programs could be -- if only they had control!
Government programs don't need Republicans to add the dysfunction.
They don't actually have the ability to pass general bills without Republican support though. Outside of budget reconciliation, neither party has had the power to pass legislation without at least some bipartisan support since Ted Kennedy was replaced in 2010.
They do have the ability to pass general bills without Republican support, actually. They can pass a separate bill to suspend the filibuster on another bill, and suspending the filibuster only requires the 50 Democrat Senators and the VP.
They tried to do so in January but Manchin and Sinema voted against it.
Government programs don't need Republicans to add the dysfunction.