To clarify for other users, "dunning kruger issue" means:

    The Dunning–Kruger effect is a cognitive bias[2] whereby people with low ability, expertise, or experience regarding a certain type of task or area of knowledge tend to overestimate their ability or knowledge. Some researchers also include in their definition the opposite effect for high performers: their tendency to underestimate their skills.

Source: https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect