Kung fu is taught systematically as is any field of study.
medicine as an example is taught the same way.
There are things you learn early that allow you to build further knowledge upon the fundaments.
it is a mistaken assumption to presume there are secrets in knowledge. These "secrets are just things you haven’t been shown yet, but others have the information and therefore it is not “secret”.
many martial arts contain a great deal of their primary knowledge in the fundaments, with refinments to those fundaments that come with practiced technique in it’s many forms and drills and augmentation or supplemental exercises.
back to medicine, at a health fair you won’t see open heart surgery performed for the public but you will see an assortment of the essentials. you are still going to need to spend the eight or so years in practice before you can actually perform an open heart surgery. This information is reserved for those med students who carry on through the whole system. and even afterwards improvements are made to technique and distributred to the surgeons through various seminars or study sabaticals that drs will take to keep current.
now let’s say you watch an open heart surgery on tv, does that mean you can now perform it? No, but it does give you an idea of what’s going on and the subject is no longer “secret” in context to your own personal knowledge.
open and closed dorr designations are another way of developing a student inside the framework of a system. The system has spent many years in development in the aims of achieving a system that is whole and complex in it’s breadth and depth of knowledge and principles.
just because you can fight doesn’t mean you can do it with form and technique.
There are plenty of flailers out there who have won plenty of fights. But would you learn from that person or would you learn in the framework of a system?
Many assume that they can know things because they have been shown to them, but they mistakenly make this assumption because they have not spent adequate time developing the muscle memory required to do the technique properly.
My si fu told me that “showing and teaching” are 2 completely different things. A Si Hing will show you how, a Si Fu will teach you how and why.
Be patient, stick with your studies until you have confidence and then move on to the next line of study in the art.
Generally your Si Fu will know when you are ready to learn something new. That something new may be in the system at the “closed door” level and no longer in the “open door” level.
peace