Socialist exploitation?

I realise that the question of socialist exploitation may seem like an oxymoron, since socialism is supposed to abolish exploitation of one person or group by another. But I am interested in whether socialist exploitation is possible and perhaps necessary at certain times. The question arises from my examination of Ernst Bloch’s synchronicity of non-synchronicity, which I will not relate now, except to point out that it is exacerbated after a socialist revolution. It may provide the condition...