Absolutely I see. God, ultimately, deserves credit for me getting out of bed in the morning, miracles aside.
The point is, God doesn't just reach down from the sky. He works through us mere mortals, us sinners. There is no such thing as a PERFECT insititution because there are no PERFECT human beings. People who point at the Church and an array of scandals throughout recorded history and scream "APOSTATE!" were the same ones standing at the cross taunting Jesus to come down after He was abandoned by all the Apostles but John. These are the same Pharisees who point to Judas and declare Jesus a fraud.
So this constant effort to tear down the Catholic Church because of its imperfect members has no bearing on the fact that:
1) It was established by Christ, blemishes and all.
2) It is led by the Holy Spirit, as proven by its unwavering teachings on morals and faith.
3) It will never fall before the gates of hell, in spite of every effort to reduce it to rubble throughout recorded history.
4) It carries the fullness of the deposit of faith - Scripture and Apostolic Tradition (planting the seeds of the New Testament and interpreting Scripture for the means of living out and administering the Catholic faith).
5) The papal line is unbroken and directly traced to St. Peter, the first Bishop of Rome, the seat of the Catholic Church.