Shalom.
Paul was involved with animal sacrifice even after he met the Lord on the way to Damacus. But you did not answer about the temple and animal sacrifice in what has been called Ezekiel's temple.
The Law has not been abolished, and we have yet to see Ezekiel's temple.
Shalom.
Jacob
Jesus told the disciples to do what the Pharisees and teachers of the law said because the temple was still standing and the Pharisees enforced the old law. Jesus said the temple would be destroyed.
Peter was afraid of the Jews and acted out of line with the truth because of what they would do to him.
Paul says he is prosecuted for preaching circumcision is nothing.
They obeyed the temple laws and still taught the truth which was against circumcision of the flesh and animal sacrifices.
Paul warns you many times not to try to justify yourself before God by doing the old law's purification works.
Galatians 5:2 Mark my words! I, Paul, tell you that if you let yourselves be circumcised, Christ will be of no value to you at all.
Galatians 2:14 When I saw that they were not acting in line with the truth of the gospel, I said to Cephas in front of them all, "You are a Jew, yet you live like a Gentile and not like a Jew. How is it, then, that you force Gentiles to follow Jewish customs?
Matthew 23:1 Then Jesus spoke to the crowds and to His disciples: 2“The scribes and Pharisees sit in Moses’ seat. 3 So practice and observe everything they tell you. But do not do what they do, for they do not practice what they preach.
Hebrews 8:13 By calling this covenant "new," he has made the first one obsolete; and what is obsolete and outdated will soon disappear.