The mental impact of ACIM on its adherents is yet another part of concern. Whilst the class promises internal peace and spiritual enlightenment, some emotional health professionals have raised alarms about its possible to trigger frustration, disillusionment, and even emotional harm. The course's increased exposure of the illusory character of the product earth and the confidence can cause people to question the fact of their activities and thoughts in techniques may possibly not be beneficial. For some, this pondering may result in a diminished volume to manage real-world problems and associations, resulting in isolation and a sense of detachment from life. Critics disagree that such an method can be particularly dangerous for people that are previously weak or struggling with emotional wellness issues.

Another place of critique is the possible lack of scientific support for the statements created by ACIM. The course asserts that their teachings may result in profound spiritual transformation and therapeutic, but these states are not reinforced by medical research or scientific studies. Without empirical evidence to back up its assertions, ACIM depends greatly on anecdotal evidence and personal testimonies, which are inherently subjective and unreliable. The lack of demanding, purpose research causes it to be difficult to ascertain the actual effectiveness of the course and improves issues about its overall legitimacy.

The professional areas of ACIM also ask skepticism. Because its distribution, the program has spawned a multi-million dollar market which includes books, workshops, seminars, and online courses. Experts disagree that the commercialization of ACIM acim its religious meaning and raises honest considerations about the motivations of people who promote it. The large prices connected with participating in ACIM-related activities can be prohibitive for many, leading to accusations that the class is more focused on revenue than on genuine spiritual growth. This commercialization is visible as exploiting the spiritual needs and vulnerabilities of people for financial gain.

Furthermore, the language and structure of ACIM in many cases are criticized to be excessively complex and esoteric. The course's dense and similar prose could be demanding to understand and read, resulting in confusion and misinterpretation among readers. This difficulty can create a buffer to access, which makes it problematic for people to fully interact with and benefit from the course. Some authorities disagree that the complicated language is a strategic strategy to hidden the possible lack of substantive material and to generate an impression of profundity. The issue in comprehending the product can also result in a reliance on outside educators and interpreters, more perpetuating the commercialization and prospect of exploitation within the ACIM community.