I wouldn't even hesitate for a second before administering it...
Mikado, it's this simple - choose between TRUTH and LIES.
This removes most dilemmas in life.
When many fervent, brainwashed jWs approach death, they realize they have been the victims of a con. They may internalize this realization but it is real nonetheless.
By providing them with an eye-opening pill early, you will prevent them suffering that final, awful, sickening indignity.
Failing to do this makes you an accomplice in awful spiritual crime. "Being hateful"? Ludicrous viewpoint.
"Do unto them as you would have them do unto you" is the Golden Rule... the best single rule that exists to govern the making of decisions (stolen by Xtianity from earlier faiths) carefully think that this mandates giving them the pill.
And the other side is busy dispensing this filthy, digusting, pus-and-urine coated, cancer-filled pill:
to the unwary.