He already knew this but, Master Uma was quite different from Master Carian. The latter was a lot more considerate and kind towards younger Martial Artists like himself. The former was a lot more ruthless and rough than her colleague.
She didn't care to actually oversee the actual challenge itself. She was so averse to wasting her time on younger and inferior Martial Artists like them that she decided to integrate her training into the contest's challenge so that she did not waste any time on them and could train while fulfilling her duties.
He found it interesting that she had the ability to essentially bypass her duties using such loopholes, but did not possess the authority to reject her duties. After all, if she did not want to be here, then why didn't she straightforwardly reject her duty as the organizer of the second round?