I'm guessing the latter because Mycroft probably finds the world about 80% irritating.

He'd probably approve of Tash, because at least she's efficient.

If Tony, Bruce and Q ever decided to truly team up, the world is probably doomed

Tony: God, your parents made more of you?
Q: Your parents must not have been brave enough to try again after they'd seen what they'd wrought on the first attempt.
Tony: *big grin* You can come and play with us.