"For the socialists, the will of the people is valid only if it goes their way."
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That comment sounds hauntingly familiar these days . .
It's mre complicated, and more dangerous, than that.
Socialists accept that the will of the People confers the right to rule.
They just don't accept elections, or voting generally (if by voting you mean arithmetical counting of ballots) as a proper or valid means of determining that will.
The US Democrats are dangerously flirting with this idea, and when they fully embrace it, which they will if they lose a few more elections, they will become truly socialist.