[DManA]

If you are a Calvinist, what's the point? Nothing they can do about it.

That being said, you must warn people of their condition without Christ

[what's up]

Untrue. The Holy Spirit inspires faith and this often comes from the preaching of the Word whether from the pulpit or from personal testimony.

Since one doesn't know who will be saved it is important to follow the leading of the Holy Spirit and speak the truth of Jesus' sacrifice. God will save whom He will.