As I grow up, I always hear people say "think about the bigger picture". We should care about consequences and expect what might happen after taking an action so that we do not regret or hurt ourselves or others. An objection from deontology might be: what if the intention of the action was selfish? Well, even if it is self-interest, if most people will still be happy, isn't it still better to have benefits for yourself and others? One of the main problems for deontology is that duties that people should have followed long ago might be considered wrong today, so there is a possibility that today's moral duty might be wrong. Well, maybe not today, but what about 50 years later? We cannot know what awaits us in the future to decide whether something is always right or always wrong. For virtue ethics, one problem is that there is no agreement on what is virtuous. Different acts of “virtuous” actions come from different cultures, and some actions of one culture might be considered wrong. For example, we might judge a culture that cuts off the heads of enemies and eats them to be morally wrong, while the culture itself would think it is perfectly right and virtuous because it is killing evil. In addition to the criticisms, both deontology and virtue ethics have no clear way to resolve conflicts or what a good moral action actually is due to the fact that they depend on
tags