The police officer deals with the macro, the larger more obvious things that must be taken care of immediately. The police detective deals with the micro, the small things that may have caused the macro event to occur, things that must be dealt with precision and care over time.
This same macro/micro relationship may be used to explain the different between what you hear from your martial arts instructor and what you read in TKDTutor. Martial art instructors deal with immediate macro things, such as the personalities, intelligence levels, educations, experiences, abilities, etc. of the students in their classes. For school owners, a large influence on what they say or do is related to their need to pay the bills; they need the students to stay in the school and pay tuition. If they say things that may cause the students to drop out of school, then they cannot stay in business. They may not lie, but as politicians do, they may not tell you the whole truth, and thus mislead you into accepting what they say is the truth. Some tell you what you want to hear or what is most beneficial to them to say, for, if they told you the whole truth, you may leave the school.
TKDTutor deals with the micro, things that cause or affect the macro things in a martial art. TKDTutor does not have to please anyone, so it presents all the facts and lets you decide whether or not you agree. TKDTutor may point out fraud and things that are inconsistent, illogical, unreasonable, and false without worrying about losing revenue. TKDTutor may say things that are in opposition to the propaganda put out by martial art instructors or martial art organizations without worrying about losing students.