An honest question;
When would it ever be impossible for God to get the Sacrament of Baptism to a soul before they die?
And not just any Sacrament, but the one He requires for souls to be cleansed so they may enter into His Heavenly abode to be with Him forever?
Do some believe that God sits on His throne in Heaven letting everything on Earth happen on it’s own or by chance?
Hi Carissima. No, it would not be impossible for God to do that, if He had so chosen. The question is, what has God chosen to do?
A reason that opinion is scarcely held anymore is because (1) St. Ambrose already said Valentian was in Heaven, saved by Baptism of Desire. and (2) Pope Innocent III said a person who was invalidly baptized is now in Heaven (St. Cyprian had also said those who came to the Church without Baptism are now in Heaven - he believed the Baptism of heretics was invalid, and was speaking of those received into the Church without rebaptism. St. Cyprian's answer to this case, "that the Lord is able to save them" shows He believed God would grant the the Grace of Baptism). So, it is considered unlikely that there is now no one in Heaven who did not receive Baptism of Desire only. St. Alphonsus expressly cites the second case as evidence that "it is de fide that souls are also saved by Baptism of Desire."
Can you explain how the Church could have authorized this to be taught by Her Doctors for centuries, if it is harmful to souls?
Now, if you hold, as it seems you do, that all who receive Baptism of Desire will also receive Baptism of Water, I would not call that heretical. It would be a theological speculation. I have read Feeneyites speculate that such would also receive Confirmation, Penance and the Eucharist - in both kinds! - because Our Lord said "Unless you eat My flesh and drink My Blood, you will not have life in you."
That could be considered unnecessary, as it seems to require God to work miracles, but would not be considered gravely erroneous. The Council of Trent teaches that those who die in Sanctifying Grace are certain of being saved, and nothing more is considered necessary for them to have fully satisfied the divine law than those works done in Grace, and that they are assured of being saved if they die in Grace. A person in Sanctifying Grace is a Child of God, a Heir to Heaven, is within the Church and on the Way to Salvation.
The manuals, the Doctors, the theologians, the Popes, Catechisms, etc, after Trent, so far as I have read, are unanimous in teaching all these three things, Baptism of Desire, Perfect Contrition as the voto of the Sacrament of Penance, and Spiritual Communion, as having been definitively and dogmatically settled by the Council of Trent. That would come under the Church's OUM, which is also Infallible.
God Bless.