Questione giuridica chiave
Whether the public-law appeal was admissible against the cantonal cassation judgment in a definitive debt-enforcement matter.
Decisione estratta
The appeal was in principle admissible as a final decision of last cantonal instance, but only within the limits of the substantiated grievances.
Motivazione estratta
A final cantonal decision in opposition removal proceedings can be challenged by public-law appeal; however, unsubstantiated complaints or complaints not exhausted cantonally are inadmissible.