Saul did not ultimately hate Jesus; Saul was ultimately converted.
Yes, the biblical figure of Saul, later known as Paul, is described as initially harboring hatred for Jesus and his followers. He actively persecuted Christians, believing they were a threat to his understanding of Jewish law and tradition.
The consensus is claiming had there been no conversion and no Damascus Road experience Saul would have never changed because of his hatred towards Jesus.
So whether or not you accept the truth doesn't matter because Saul hated Jesus.