To be sure, their reasoning is basically correct. But when the ultimate determinants of values today become so dependent on a distant future that we cannot see clearly, we may not be able to think clearly, either.
当然，他们的推理本质上并没有错。但如果最终决定今天价值的因素如此依赖于我们无法清楚预见的遥远未来，我们也可能无法再理智地进行思考。