If you ask a Jew, never. If you ask me, a “fundy” Christian, when Jesus died on the cross.
Hebrews 8:7-8
A New Covenant
For if that first covenant had been faultless, then no place would have been sought for a second. Because finding fault with them, He says: “Behold, the days are coming, says the Lord, when I will make a new covenant with the house of Israel and with the house of Judah—
Colossians 2:14
having wiped out the handwriting of requirements that was against us, which was contrary to us. And He has taken it out of the way, having nailed it to the cross.
Hebrews 9:16-17
The Mediator's Death Necessary
For where there is a testament, there must also of necessity be the death of the testator. For a testament is in force after men are dead, since it has no power at all while the testator lives.
And so on ...
But I still maintain that we ought to treat people well.