Earlier quoted context omitted.
Maybe you should ask some older eastern Europeans what they think about socialism, before haughtily speaking for everyone who lives in Europe. Socialism and its national variant wrecked Europe in the 20th century. People celebrated when it ended. To call it a rallying cry given that history is quite gross.
I’m old enough to remember when people called what you’re referring to “communism”, similar to how one might call the Democratic People's Republic of Korea “democratic”. It seems that now, based on your comment, it’s in vogue to call it socialism. At this rate, in a few years it’ll be called democratic socialism and not long after it’ll be called social democracy. I guess you gotta keep that Overton window moving. As…
You can get into endless arguments about how they are No True Socialists but it just ends up being like a word game.
That's why the European parties that lean in that direction tend to cast themselves as "social democratic", a different term.