Some of the yoga techniques are inspired from them. The early purveyors of this study took notes of the different techniques they discovered and compiled them. The goal is not just simply to realize one’s inner being.
Yes, you become more aware of yourself than before. This awareness enables you to identify certain energies that you never though you had. The goal of the techniques is to direct this energy into positive utilization.
Meaning, you will direct this energy to improve yourself for the better and in interacting with others. Other people even go a step further by using this energy to achieve their goals and dreams in life. The techniques now have different purpose to man.
Other develop a complete discipline out of it. Some use them to enhance spirituality and physical well being. When you are stressed out, you can use the very same technique to manage stress.
Because people no longer focus on what they lack, they become inspired and want to do good things. There are relaxation techniques that will help calm the nerves. There are many people out there who worry a lot. These unfounded apprehensions are what prevented them from living life to the fullest. They worry too much even what scares them has not happened yet.
Say for example, you have an illness and you have been dealing with this for long time. You thought this will never get cured. If you understood better what is within you all along, you would not be thinking as hopelessly as that. Because you knew that you have power within you to overcome this feeling of defeat. The Self realization studies allow people to understand better of their purpose in life.