How Did Infant Baptism Get Started ?

The below article on "total depravity" suggests a follow up point. Some time after the Catholic church made up the doctrine of "original sin," they came to the conclusion that since a person must be baptized to get rid of sin (Mark 16:16, John 3:5, Acts 2:38, Acts 22:16, Gal 3:26-27, I Pet 3:21, etc.), that infants needed to baptized in order to get rid of their sin. Do you see how one false doctrine almost always leads to another?Notice the following passages that show that infant baptism is unscriptural:Colossians 3:17 There No Authority For Infant BaptismMatthew 28:19, Mark 16:15-16 Teaching/Preaching Must Come Before BaptismMark 16:16, Acts 2:38 Belief And Repentance Must Come Before BaptismActs 2:41,42 Receiving The Word Must Come Before BaptismActs 8:12 Men And Women Were Baptized, Not Young ChildrenActs 8:36-37 If Thou Believest With All Thine Heart, Thou Mayest Be BaptizedActs 22:16 Baptism Is Calling On God, And An Infant Is Not Capable Of Calling Upon GodI Peter 3:21 Baptism Is An Appeal To God For A Good Conscience, Something An Infant Is Incapable OfEcclesiastes 7:29, Romans 9:11, Isaiah 7:16 Infants Don’t Need To Be Baptized