Remember, the social Democrats sided with the Nazis over the socialists. They’ve done it every time they’ve been given the opportunity, and will continue to do so as many times as people fall for their shtick.
“The master's tools will never dismantle the master's house."
-Audre Lorde
Quibble: They use a definition of democracy which isn't all that democratic: Liberal democracy AKA dictatorship of the bourgeoisie. It's the same trick neoliberals use with freedom (when they say freedom they mean "of markets" NOT "of people") because they know people will assume.
Which is why it's so fucking hilarious that when they don't use a heavily doctrinal definition of democracy the US manages to get their ass completely handed to them by the very countries that this marks as "Authoritarian regimes" because even they represent their people more.