What Solzhenitsyn faulted America (and the West more generally) for was its abandonment of its own moral and, especially, spiritual ideals and identity.
As a survivor of the Communist Holocaust I am horrified to witness how my beloved America, my adopted country, is gradually being transformed into a secularist and atheistic utopia, where communist ideals are glorified and promoted, while Judeo-Christian values and morality are ridiculed and increasingly eradicated from the public and social consciousness of our nation. Under the decades-long assault and militant radicalism of many so-called “liberal” and “progressive” elites, God has been progressively erased from our public and educational institutions, to be replaced with all manner of delusion, perversion, corruption, violence, decadence, and insanity
— Aleksandr Solzhenitsyn, 1983
Source: Solzhenitsyn’s Prophecy | Robert P. George