> "dictatorship of proletariat" (https://en.wikipedia.org/wiki/Dictatorship_of_the_proletaria...) You'll probably argue that this kind of dictatorship isn't to be understood in the common sense

I don't have to. Your own link says so in just the second paragraph:

    Dictatorship of the proletariat is different from the
    popular notion of 'dictatorship'