There are of course many people, including language scholars of great probity, who are watchful about prescription and hostile to 'prescriptivism'.
Ethical trust is 'the reciprocal confidence that every citizen has in the probity and justice of the other, that is, simple conventions and promises'.
These included a 'familiarity with the routine of leases, agreements, covenants, rent collection, distraints, and for probity in presenting estate accounts'.
It provides detailed suggestions about how to ensure probity and safety.
However, they must comply with the key principles of public accountability, public involvement, professional influence and probity.
More important were probity and the avoidance of vice.
Probity and professional standards are the issues, in this regard.
While we might question his probity (he may be lying), who questions his authority or his voice?