Stucco

I do not see that passage as scriptural support for the election of all infants who die in infancy.
I do however see something in little children (in particular the ones who came to Jesus on that occasion), characteristics (i.e. without prejudice, pride, ambition, and vanity, with meekness, and humility) that each of us must have for the kingdom of God. I believe Jesus used this event as a way to rebuke His disciples. We shouldn’t read too much more than that into it.

I also haven’t seen in anyone’s post anything that would lead me to believe they would tell a grieving parent that their child was in hell. That simply would be uncouth and unloving.
Though I don’t believe there is any indication that all infants who die in infancy go to heaven. I don’t believe we can say with certainty that any infant who dies in infancy is in hell.
Why not just stick with things we can know? Some people seem to believe that God would be unjust if any infant who dies in infancy went to hell that simply is not the case.

If I had a child who died in infancy, I would probably have a hope to one day be reunited with him or her. But, that wouldn’t mean that if my child wasn’t with the Lord, that I would believe that God wasn’t fair or unjust.

Tom