Phra Ajarn Viboon started his lecture with "โลโกปตฺถมฺภิกา เมตฺตา" (roughly translated: "Mercifulness is what holding up the world"). What is wrong with the current practices in our agricultural system, the so-called "killing agriculture" (เกษตรสังหาร), that goes against this mantra? You can give an example or two.