Ants are designed to follow specific behavioral patterns that have been integrated into their systems. They are a hive-mind. They don't have individual though. They must protect the colony, or protect the queen. Even if they were to become human, they wouldn't be able to comprehend the problems humanity deals with on a daily basis.

But to suggest that the Admiral sees us as bugs, small, seemingly defenseless creatures, well, that, I can agree with. But most insects bite, and one day he'll come out from the safety of his control room and get bit.