The thing to see KJ is that apostate Israel enters the New Covenant in AD67-73 through the Baptism of fire.
The born again Jew from the beginning came under the baptism of fire by which they were born again from above.
The baptism of John is a ceremonial baptism used when a person had a desire to join the ministry as a Priest. It did not mean they were born again. Experience is not the valuator of the unseen spiritual .
John answered, saying unto them all, I indeed baptize you with water; but one mightier than I cometh, the latchet of whose shoes I am not worthy to unloose: he shall baptize you with the Holy Ghost and with fire: