"I have several plans for dealing with them." Though he hasn't tried to meet them yet, so how well those plans will work is anyone's guess. "And I'm not human."

His emoji returns to the puzzled expression he first had. He doesn't know what caused that many questions marks, but clearly something slipped through that shouldn't have.

"Hopefully, you're right. But it needs to be investigated so we can be sure."

Because with everything else that's happened recently, it's important to make sure people are as safe as possible. Emojis are relatively harmless. The explosion as well. But the Doctor doesn't like his emotions so easily cued for everyone else to see.