Among the main concerns with A Program in Miracles is its base on channeling, an activity where Schucman said to own acquired dictation from an inner voice she identified as Jesus Christ. The dependence on channeling as the foundation of the course's teachings is difficult as it lacks verifiable evidence and can easily be related to psychological phenomena rather than heavenly revelation. Channeling is often criticized as a subjective experience, highly prone to the subconscious mind's impact, personal biases, and mental projections. Without concrete evidence or external validation, the credibility of Schucman's experiences and the next teachings of A Course in Wonders stay very questionable.

More over, this content of A Class in Miracles diverges considerably from traditional Religious doctrines and other established spiritual teachings. While it uses Christian terminology and ideas, the course often reinterprets and redefines these phrases in ways which can be contradictory using their traditional meanings. For example, the program presents a metaphysical worldview that stresses the illusory  acim  nature of the substance world, teaching that the bodily market and all its activities are merely projections of the mind. That perspective contrasts sharply with the teachings of popular Christianity, which typically upholds the reality of the physical world and the significance of Jesus' physical resurrection. The reinterpretation of key Religious beliefs in A Class in Wonders increases issues in regards to the course's legitimacy as a real spiritual training, as it appears to be more of a syncretic blend of numerous metaphysical and new age ideas as opposed to a geniune extension of Religious doctrine.

Moreover, A Class in Wonders stimulates a form of spiritual bypassing, stimulating individuals to ignore or refuse their bad feelings and experiences as simple illusions. The course's emphasis on seeing beyond the substance world to an increased spiritual truth can cause followers in order to avoid confronting and processing their mental and mental issues. This method may be harmful, as it discourages persons from seeking proper help and help for his or her psychological health struggles, perhaps exacerbating their problems. Religious skipping undermines the importance of integrating one's religious values with the facts of individual living, leading to an unbalanced and perhaps detrimental method of spirituality.

More over, A Course in Miracles gifts a deterministic view of truth, indicating that everything that takes place is section of a heavenly program and that individuals don't have any actual control over their lives. This perception may foster a feeling of helplessness and passivity, discouraging individuals from taking proactive measures to improve their conditions or address injustices in the world. The indisputable fact that all enduring is definitely a dream or section of a predetermined program can result in a lack of empathy and activity towards those who find themselves experiencing real pain and hardship. Additionally it may promote a feeling of religious elitism, wherever followers of the course may see themselves as being more enlightened or spiritually advanced than the others, leading to judgment and separation as opposed to empathy and unity.