It’s a “gotcha” question for vegetarians because vegetarians in the real world are seldom vegetarians in a vacuum; their vegetarianism is typically associated and based on a cloud of other ideas that include respect for nature. In other words, it’s not a “gotcha” because you would write off the vegetarian who believes it, it’s because believing it would undermine his own core, but illogical and unstated, motives.
It’s a “gotcha” question for vegetarians because vegetarians in the real world are seldom vegetarians in a vacuum; their vegetarianism is typically associated and based on a cloud of other ideas that include respect for nature. In other words, it’s not a “gotcha” because you would write off the vegetarian who believes it, it’s because believing it would undermine his own core, but illogical and unstated, motives.