Why YSK: Service Dog etiquette is to leave them alone as to not distract the dog’s focus. If they’re approaching you, they could be using a last ditch effort to save their owner. They will usually follow you, whine, bark, or otherwise try to grab your attention if this is the case.
Sorry… Guess I don’t get notifications when I get a response. Your point is valid for infants, though obviously can’t be sustainable forever. Maybe the cutoff is once your child learns basic communication, but at some point crying for attention shouldn’t be universally rewarded with positive reinforcement as it can encourage negative habits.