The Paradox of Choosing Our Descendants
Your major life decisions determine exactly which human beings will exist in the future. Because even a tiny change in timing creates an entirely different person, you can never truly harm or benefit future generations.
This philosophical puzzle suggests that because your choices shape who gets born, those future people cannot claim your actions harmed them. If you had chosen differently, they simply would not exist at all to experience that life. It challenges our traditional ideas of moral responsibility toward the distant future. Even actions meant to improve the world may ultimately just change the identity of the population rather than helping existing individuals.
Source: Non-identity problem