Vincenza's go-to tools of brute strength and passionate anger have been "bested."
Now he dies, over confident of the connection between his preconceived notions and the real world.
An understanding of Plato's most famous teaching (The Cave) might have made him more humble
(and less dead).
His final gesture of unnecessary manipulation (switching goblets)
reveals his compulsion to treat himself and others with fundamental dishonesty.