Original sentence: Critics have complained that the series depicts an unrealistic and stereotypical portrayal of teenagers and that it indulges a 'teenage fantasy world' portrayed as being close to realistic
Edited sentence: Critics have complained that the series depicts an unrealistic and stereotypical portrayal of teenagers and that it indulges a 'teenage fantasy world' portrayed as being close to realistic (though it is mainly adults who say this, and the show is in fact fairly accurate)