Because!

"I destroyed the weapon," Cerebrum said, reentering the cockpit with a new
uniform.
"Why?" Dean asked
"Because if we deployed it in its present form, mini-Phil would be naked
when we rescued the ambassadors.. I'd rather stupidly risk our lives in an
insane infiltration attempt to infiltrate and find a weakness."
"You do have a point," Dean admitted, as he landed the Starbug.
Cerebrum produced a large gun. "Or, to be precise, I'd rather stupidly risk
your life. You take point," he pointed. "The hive's that way, go see who's
guarding the entrance then report back."