That's exactly the trend with the "lefty" book publishers over here, (badly) translated What is to be done, with lengthy prefaces and postfaces that say that "communism never works," costing R$ 60 (which is the standard price for brand new books).
The other day I read a whole book about the "economic history of " that spent half of the text dissing on Stalin, who probably never heard of the region, then the rest of the book citing (oddly recent) editions of Trotsky books, all while finding creative new ways to paraphrase "capitalism is a global system" to fill space. It never actually got to economics or that much history.
Written by an emeritus professor, and felt like it was trying to make communism sound boring intentionally.
They approach history the way a Catholic layperson approaches the theology, by taking every single (out of context) utterance in the text that agrees with their word as unquestionable Word of God.
If Luxemburg didn't like aspects of the October Revolution that obviously means it was bad, because they're not allowed to build critical opinions of their own. Same for Trots and other ultras.