I do wonder though if Adler had anything to say about the darker side of human nature. Most theorists seem to emphasize this. For Freud there's repressed impulses, for Jung there's the shadow. Even contemporary 'schools' touch on this to a degree. Cognitive therapists are concerned with negative self-attributions and constuctivists with dysfunctional narratives.
Adlerian psychology addresses the complete range of human experience, from optimal to pathological.
The ideal of a fully functioning individual, with a highly developed of feeling of community is posited as a benchmark, from which all deviations are evaluated. Adler considered the darker side of human nature as a potential that could develop in individuals if their feeling of community was not sufficiently developed. He saw this darker side, not as an inevitable characteristic of all people, but as a probable reaction to early childhood neglect, abuse, or pampering. These overburdening influences inhibit the development of the feeling of community and frequently lead to mistaken conclusions about oneself and life. In these cases, the generic striving for significance may deteriorate into destructive striving for power over others.