For many unbelievers, it will just be another piece of evidence that they will fail to consider or flat out ignore. For other unbelievers, they will just want more.
John 12:37: “But although He had done so many signs before them, they did not believe in Him.”
Exactly.
Very well said!
If an unbeliever is trying to deny Isaih existed, they are not likely basing their opinions on evidence and reason anyway. As father Abraham said to the rich man who wanted to warn his brothers at the end of the parable: If they will not believe the prophets, neither would they believe even if one returned from the dead.