Basically if I say the word stupid that would have a bad impression so it's negative, but if I change it to struggling/needs help it would be either neutral or positive
Complications in a play is when the conflict becomes more intense. Obstacles are the things that interpose to reach your objectives in a theater work. In a play, there may be many obstacles for the characters to get their goals. These obstacles can create complications.
In Letter from Birmingham City Jail, King describes the problem of segregation.