>>96106229
Basic aspects of using psychic powers are taught in grade school a number of organizations and professions will begin scouting potential candidates.

People are conditioned as children to accept being funneled into job roles if their psychic apitutde leans that way due to the hefty financial compensation and social status it brings. People who don't measure up often get shifted into Auxiliary and support functions that are still important.

This system exists because they are often called upon to go into a dangerous space to access special materials as well as the possibility of permanent Human presence in the space.