Realization is important, but not everyone can achieve it immediately. I believe this is related to the stillness of consciousness. When consciousness becomes relatively still, one realizes that explanations or excuses from the ego are merely "demons." However, this is a matter of degree.
Some schools of thought emphasize this "realization," but I believe that this "realization" is actually a "result."
No matter how much one concentrates or is careful, or even strictly adheres to the lifestyle prescribed by a particular school of thought, whether or not this realization is achieved depends more on the stillness of consciousness than on such concentration or adherence to a specific lifestyle.
Therefore, even if there are schools of thought that say "realize, realize," I don't think that is very effective.
Rather, it is more important to calm the consciousness. As consciousness becomes calmer, the ego also becomes calmer. Sometimes, the ego will resist and try to justify itself by concocting seemingly reasonable arguments. However, even if one accepts these arguments at the time, as consciousness becomes even calmer, one will realize that those arguments were merely excuses from the ego, which are "demons."
Being able to realize this immediately means that one has already passed through and graduated from that type of excuse or "demon." However, for excuses or arguments that one is still in the process of overcoming, those arguments and reasoning often sound very reasonable, and one may think, "Is that so?" The "demon" that one has not yet overcome is very subtle and nuanced, so it is often difficult to realize.
Some schools of thought point this out to each other, but pointing things out creates a hierarchy of superiors and subordinates, leading to dependencies and subservience. Therefore, I don't think it's a good idea to point things out. Even if the individuals involved say "that's not the case," a wedge of dependence is driven into the unconscious mind of the person who was pointed out, which can become a hindrance to growth.
Instead, if one simply focuses on calming the consciousness without worrying too much, one will eventually, as a "result," naturally become aware of past excuses and "demons."
As a result of this realization, what is called "letting go" occurs, leading to a declaration such as, "This is not necessary for me. I will let go of this."