I don't really see an arguement otherwise. "Shinigami captains all conciously keep their soul cutters in a managble size." Clearly not refering to himself as a captain, but rather ranting about other captains during his battle. It's clearly warrented.
Bleach 187 page 17 | One Manga
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She completes my Equation.
Wakka wakka, who wants to hear a funny ass joke?