Question for governments: if any entity is going to vandalize our sky, why would the government to which that entity belongs protect that entity from our retrib

Question for governments: if any entity is going to vandalize our sky, why would the government to which that entity belongs protect that entity from our retribution? Nothing in a treaty prevents a government from doing it (put up ideological messages) and we have commercial interests that could easily go rogue with either commercial or social messaging.