The Baby Monkey generated still takes up a Monkey slot, which prevents the opponent from moving the player's Monkeys to their side with Expert Negotiator, unless they first free up their own Monkey slot with Return to Sender or Favored Trade. Likewise, the Baby Monkey could interrupt Monkeys that depend on positioning, such as Monkey Village.
Shrink can be used to waste a boosted Monkey; it is a counter to monkey-buffing Power cards such as Try this!.