I actually think the problem was slightly different (although I would agree that there is likely an element of truth in what you are suggesting).
That sure sounds Pharisical from here???? You say: 'there is 'likely a element of truth..'??
If one keeps using the words of the Law of Moses as is being repeated over & over here, then they need to know what Paul's problem were & still are today. Acts 15 signals then out.
Acts 15
[1] And certain men which came down from Judaea taught the brethren,[[and said, Except ye be circumcised after the manner of Moses, ye cannot be saved.]]
[2] When therefore Paul and Barnabas had no small dissension and disputation with them, they determined that Paul and Barnabas, and certain other of them, should go up to Jerusalem unto the apostles and elders [[about this question]].
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[5] But there rose up certain of the sect of the Pharisees which believed, saying, That it was needful to circumcise them, and [[to command them to keep the law of Moses]].
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(OK: Circumcism + the law of Moses was the only question to be discussed it states. And these following thoughts are all that the elders found to be left intact from the [[LAW OF MOSES]], which were penned by Moses in a book (Deut. 31:9 + 24-26 ) & placed in the side of the Ark of God, where the Eternal Covenant still is at today in heaven. Rev. 11:19)
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[19] Wherefore my sentence is, that we trouble not them, which from among the Gentiles are turned to God:
[20] But that we write unto them, that they abstain from pollutions of idols, and from fornication, and from things strangled, and from blood.
[21] For Moses of old time hath in every city them that preach him, being read in the synagogues every sabbath day.
[22] Then pleased it the apostles and elders, with the whole church, to send chosen men of their own company to Antioch with Paul and Barnabas; namely, Judas surnamed Barsabas, and Silas, chief men among the brethren: