So what? Circumcision didn't save anyone in the OT. Just like water baptism doesn't save anyone in the NT.
No, that is the requirement of 1 special crowd in Acts 2. It wasn't necessary for Cornelius and family/friends, and it wasn't necessary for the church in Galatia.
Salvation includes Spirit baptism. But you refuse to accept that truth. Acts 11:15-16-17 proves it.
The following may help, in the event you are unfamiliar with scripture that confirms the point that all people were required to get water baptized and receive the Holy Ghost.
Acts 2:38-39 (Jewish) The group did not receive the Holy Ghost the moment they believed in Jesus. However, they were told they could expect the Holy Ghost at some point.
"Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost.
For the promise is unto you, and to your children, and to all that are afar off, even as many as the Lord our God shall call.
Then they that gladly received his word were baptized: and the same day there were added unto them about three thousand souls."
Acts 8:12-17 (Samaritans-half jewish-half gentile)
"But when they believed Philip preaching the things concerning the kingdom of God, and the name of Jesus Christ, they were baptized, both men and women.
Then Simon himself believed also: and when he was baptized, he continued with Philip, and wondered, beholding the miracles and signs which were done.
Now when the apostles which were at Jerusalem heard that Samaria had received the word of God, they sent unto them Peter and John:
Who, when they were come down, prayed for them, that they might receive the Holy Ghost:
(For as yet he was fallen upon none of them: only they were baptized in the name of the Lord Jesus.)
Then laid they their hands on them, and they received the Holy Ghost."
Acts 10:43-48 (Gentiles)
"To him give all the prophets witness, that
through his name whosoever believeth in him shall receive remission of sins.
While Peter yet spake these words, the Holy Ghost fell on all them which heard the word.
And they of the circumcision which believed were astonished, as many as came with Peter, because that on the Gentiles also was poured out the gift of the Holy Ghost.
For they heard them speak with tongues, and magnify God. Then answered Peter,
Can any man forbid water, that these should not be baptized, which have received the Holy Ghost as well as we?
And he commanded them to be baptized in the name of the Lord. Then prayed they him to tarry certain days."
Acts 11:13-14 (The angel said Peter was going to tell them how to be saved)
"And he shewed us how he had seen an angel in his house, which stood and said unto him, Send men to Joppa, and call for Simon, whose surname is Peter;
Who shall tell thee words, whereby thou and all thy house shall be saved."
Acts 19:2-6 (Disciples who did not realize they had to water baptized in Jesus name)
He said unto them, Have ye received the Holy Ghost since ye believed? And they said unto him, We have not so much as heard whether there be any Holy Ghost.
And he said unto them, Unto what then were ye baptized? And they said, Unto John's baptism.
Then said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus.
When they heard this, they were baptized in the name of the Lord Jesus.
And when Paul had laid his hands upon them, the Holy Ghost came on them; and they spake with tongues, and prophesied.
Acts 22:14-16 (Paul's water baptism)
And he said, The God of our fathers hath chosen thee, that thou shouldest know his will, and see that Just One, and shouldest hear the voice of his mouth.
For thou shalt be his witness unto all men of what thou hast seen and heard.
And now why tarriest thou? arise, and be baptized, and wash away thy sins, calling on the name of the Lord.
Acts 8:35-40 (Eunuch)
Then Philip opened his mouth, and began at the same scripture, and preached unto him Jesus.
And as they went on their way, they came unto a certain water: and the eunuch said, See, here is water; what doth hinder me to be baptized?
And Philip said, If thou believest with all thine heart, thou mayest. And he answered and said, I believe that Jesus Christ is the Son of God.
And he commanded the chariot to stand still: and they went down both into the water, both Philip and the eunuch; and he baptized him.
And when they were come up out of the water, the Spirit of the Lord caught away Philip, that the eunuch saw him no more: and he went on his way rejoicing.
But Philip was found at Azotus: and passing through he preached in all the cities, till he came to Caesarea.
Acts 16:28-33 Jailer and family saved
But Paul cried with a loud voice, saying, Do thyself no harm: for we are all here.
Then he called for a light, and sprang in, and came trembling, and fell down before Paul and Silas,
And brought them out, and said, Sirs, what must I do to be saved?
And they said, Believe on the Lord Jesus Christ, and thou shalt be saved, and thy house.
And they spake unto him the word of the Lord, and to all that were in his house.
And he took them the same hour of the night, and washed their stripes; and was baptized, he and all his, straightway.