[wideawake]

A second baptism is blasphemous because by agreeing to a second baptism you are publicly proclaiming that your first baptism wasn't real - that even though you were baptized in the name of the Trinity, the baptism had no effect.

In other words, you deny that Christ has any power to save you from your sins unless you give Him permission.

He doesn't need your permission and to assert that He does is blasphemous.

[Protagoras]

A second baptism is blasphemous because by agreeing to a second baptism you are publicly proclaiming that your first baptism wasn't real - that even though you were baptized in the name of the Trinity, the baptism had no effect.

I disagree with your conclusions. For instance, people renew their wedding vows without proclaiming their marriages "not real". People reaffirm for their own reasons and it would be presumptous to say what their motives are IMO.

[Former Fetus]

Oh, He has the power! But He has chosen to give me free will, and so I can accept or turn down that salvation.

"If you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved" Romans 10:9. Obviously I was not able to confess or believe when I was an infant, therefore I do not believe that particular baptism saved me. Once I was old enough, when I believed and confessed, then I was saved. It was after being saved that I followed my Lord in baptism. But even that baptism did not save me, it was just an outward sign of what had taken place inside me!

"For with the heart one believes unto righteousness, and with the mouth confession is made unto salvation" Romans 10:10