In order to make horcruxes he had to kill someone, so J.K basically saying you have to take something from other people to live longer yourself.
This would be true if humans came up with a way to live forever or even just 20-30 years longer. By doing so, the people who choose to do that would be taking away from the necessary resources that other people who are living their normal-length life need (food, water, shelter, etc.)
Submitted July 24, 2021 at 12:23AM by Imaboy2020 https://ift.tt/3ePqD88