#1-3, the Theologically Obvious Reasons
1. Going therefore, teach ye all nations; baptizing them in the name of the Father, and of the Son, and of the Holy Ghost. Matthew 28:19 The biblical commentary that follows the Great Commission is this:
"All power"... See here the warrant and commission of the apostles and their successors, the bishops and pastors of Christ's church. He received from his Father all power in heaven and in earth: and in virtue of this power, he sends them (even as his Father sent him, St. John 20. 21) to teach and disciple, not one, but all nations; and instruct them in all truths: and that he may assist them effectually in the execution of this commission, he promises to be with them, not for three or four hundred years only, but all days, even to the consummation of the world. How then could the Catholic Church ever go astray; having always with her pastors, as is here promised, Christ himself, who is the way, the truth, and the life. St. John 14.In destroying parishes, which are active communities of the baptized faithful, erected for the permanent* and proper worship of Our Lord Jesus Christ, the priests and bishops that help to suppress them are in effect doing the opposite of what is outlined by Our Lord in the Gospels.
* According to the Council of Trent, consecrated churches "it may never be transferred to common or profane uses." (All parish churches should be solemnly consecrated.)
2. As believers in Christ Crucified, we shall not succumb to the sin of despair, one of the greatest sins against Almighty God. In closing down and consolidating churches, we are in effect saying that there is no hope that souls can be saved in the future, no hope in the promise of evangelization, no hope that the Church will increase. We will have said that God is no longer the supplier of hope to His people! As Bishop Galante famously said, we cannot sit around and wait for a miracle. Well we definitely cannot just sit around. But miracles are What God Does! Miracles are God's Business. If He saves one soul in all the souls He ever created, it is a miracle. If after His Son's gift of the Eucharist (a miracle), His subsequent death and resurrection (The Single Greatest Miracle of All Time), He gave us just one saint, one visitation from His Holy Mother, it would be a miracle. He has given us countless miracles. We must not despair that, with our help and the help of even a few priests on fire for the Lord, the Church cannot grow. The growth of the Church is, in fact, the Promise of God.
3. Instead of catechizing, being true preachers zealous in evangelizing God's Word, they have decided to tuck their tails between their legs and sulk away, citing [inaccurate] demographical data and not the Gospel They've chosen to give up and pack it in. But is that what Christ told us to do. NO! In all three Synoptic Gospels it is written, "And whosoever will not receive you, when ye go out of that city, shake off even the dust of your feet, for a testimony against them." In other words, keep on going!
Contrast this with what was written in this week's Star Herald. The Star Herald reprinted the CNS article, "Reconfigurations evolve in rapidly changing church." Bishop Lennon, the Merge Master of the Cleveland Diocese and elsewhere, says, "It's not just about downsizing...that's just a partial view of what we are about." Doesn't it make you wonder...has this Bishop Lennon read Christ's words? Our Lord did not say, "Go therefore, and downsize, should the demographic data appear to warrant that."