Latest post of the previous page:It implies that
IF some persons were wilfully or otherwise destroying the planet
AND IF I could distinguish the ones who were doing this from the ones who were having it done to them
AND IF I could think of a way to achieve the aims (a and b) listed above
AND IF the only way to achieve those aims would involve the deaths of those doing the damage
AND IF it would NOT also result in the deaths of large numbers of those NOT doing the damage
AND IF I could carry out the necessary act successfully
THEN I would not think I was treating the (persons whose activities I have curtailed) disrespectfully.