I hop off the train at the part where the top-down dictatorship comes into play. Probably a bit before the level of authoritarianism where the Joseph Stalin type starts killing people for having a dissenting opinion, and what not.
Using the state to enforce good wages and end the terribleness of the stock market/landlord culture does not need to involve a top down dictatorship and a lack of democracy.
I know about the “dictatorship of the proletariat” and all that, and in my opinion, it should involve all of the workers, not one person or a small group of people. A top down dictatorship just makes it all that easier for the party to be infiltrated and controlled by bourgeois interests. If said dictatorship is a true democracy, with each worker having an equal say, it makes it pretty hard to control the proles.