Masterworks could differ enormously from each other.
Each of them represented excellence in material production in one fashion or another, but there was never a single correct outcome.
That was inherently anathema to the traditional craftsmanship community.
Different professionals could never completely agree on what constituted a good work.
For example, Gloriana highly valued technical consistency and perfection. The closer a mech resembled the ideal mech design, the more exquisite the result!
Ves on the other hand thought that such an overly sterile and standard outcome was too boring to earn a good score. What other people considered flaws, he tended to view them as colorful personality traits.
Their diverging standards were reflective of their design philosophies.
It was impossible for Gloriana to come around and appreciate Ves' tolerance towards chaos and imperfections.