It's too late.
The foot-swarming has already taken place.
Now see... Even though this... thing... might look really weird she doesn't smell like one of the chiemra's relatives. Similar. But different enough not to trigger their 'kill on sight' order. And something that doesn't trigger their kill on sight order is a potential friend until proven otherwise!
Hence the foot swarming.
"Who are you?"
"Where did you come from?"
"How come you have half a face?"
"I like chocolate! Do you like chocolate?"