>>678658If practically everything is nationalized, the state is effectively gathering "taxes" through profits in state owned companies. So no need for formal taxation.
This alone should show you one way in which economic socialism can lead to state-dissolving properties.
The "stateless, classless" society is meant to be a far off goal though and is just a piece of Marx's "historical materialism" idea. It's not necessary to agree with that, to understand that socialism can benefit humanity.