What Is Called an Ancestor of the Nine Provinces?
Nothing could be accomplished without norms or standards.
Even though Sun Mo was a supreme genius and had obtained extraordinary accomplishments, with all the examiners saying that he need not take the exam, the Saint Gate wouldn't grant him a grandmaster license unless he did so.
Because this would be unfair to the others.
Once precedence of something like that happened, it would mean that great teachers from aristocratic clans of great power and influence could use the same method to pass the grandmaster-level examination despite not having the capabilities to do so.
In reality, there had been truly talented people that were worthy of being vied by famous schools even before they took the grandmaster-level examination and were ascertained as grandmasters.
However, all Sect Lords of the Saint Gate had held fast to their principles and had never allowed anyone to be exempted from the grandmaster-level examination if they wanted the license.