Why is the principle of competency-based job matching the golden rule that recruitment must follow?

People's energy levels are different.

There are differences in professional knowledge between people.

In the same series of posts with different levels, the requirements for the structure and size of abilities are different.

Different series of posts at the same level have different requirements for ability.

The energy level should be consistent with the post requirements.

Competency-post matching contains two meanings:

Refers to a person's ability to fully meet the job requirements, that is, the so-called people have their duties;

Refers to the ability required by the post, and this ability is fully possessed by this person, that is, the so-called post is the right person. The principle of ability-post matching means that people's ability should match the ability required by the post as much as possible. This collocation implies the meaning of "just right".