Not sure what you mean by this. When Jesus sent out the 12 and the 70 there was a specific objective -- ministry to Israel and proclamation of the Gospel of the Kingdom.So should we instead go back and follow the lead of the Levite in Judges who was a priest in Ephraim until he was successfully propositioned by the tribe of Dan?
However, before Christ ascended He left this word: And he said unto them, Go ye into all the world, and preach the gospel to every creature. He that believeth and is baptized shall be saved; but he that believeth not shall be damned. (Acts 16:15,16)
So any evangelist or preacher has an obligation to let his hearers know the consequences of failure to believe the Gospel. Which means that Hell must be clearly presented.