Paul was a Jew who could not accept his fellowmen rejecting Christ.
He even went to Jerusalem to preach to them, got arrested and would have been killed by the Jews had not the magistrate took him into custody.
Jesus said no man comes to Him except the Father draw him.
The Holy Spirit does not draw people who blaspheme Him.
Paul was unsuccessful and so has every Christian minister for the past 2000 years who has attempted to convert jews en masse to Christianity.
When you blaspheme the Holy Spirit there are grave consequences. It is foolish to waste time trying to convert people who killed and reject One of their own.
Jesus instructed us to shake the dust off our feet and carry our peace with us when we leave such to suffer the
consequences of their rebellion.
Instead, foolish Christians go about funding and enabling them in their rebellion.
That is not love.
It is not obedience.
It is just foolish.