All the various types of teachings and spiritual paths are related to the different capacities of understanding that different individuals have. There does not exist, from an absolute point of view, any teaching that is more perfect or effective than another. A teachings value lies solely in the inner awakening which an individual can arrive at through it. If a person benefits from a given teaching, for that person that teaching is the supreme path, because it is suited to his or her nature and capacities. There is no sense in trying to judge it as more or less elevated in relation to other paths to realization. –Chögyal Namkhai Norbu

teaching about emptiness, potential of manifestations, nature of mind etc. etc. can be supreme for some, but useless for many others who don't understand it, who cannot grasp the essence of such a message. It is necessary to have also other ways how to teach how things are…

Anyway, for those able to grasp this level of explanation:

to do