Questione giuridica chiave
Whether the subsidiary constitutional complaint was admissible despite the appellant not being the addressee of the cantonal decision and lacking standing.
Decisione estratta
The complaint was inadmissible because the appellant was not affected by the challenged decision and thus lacked a legally protected interest.
Motivazione estratta
The cantonal decision was issued against A________, not against the appellant. Without being personally affected, the appellant could not seek its annulment or modification under Art. 115 lit. b BGG.