What Is Freud's Future Of An Illusion?

Sometimes, when I read things that are purported to be written by “experts,” I wonder if they actually read what they claim to have read. Case in point, I was disheartened to see the brief and misguided paraphrasing that, “Freud (1928) believed that optimism was illusory and came with the cost of denying one’s reality” (Marini & Chacon, 2002, p.380). After reading this paraphrasing, I realized that in my reading of Freud (1928), I had come to the inverse conclusion; viz., that Freud embraced optimism as a concomitant part of reality. This annoyance forced me to pull my dusty old copy of Freud’s “Future of an Illusion” off the bookshelf and give it a quick read (after all, it is only 71 pages).
I have included this quote (as a picture) from