I’d learn a different lesson from your example: Make things in general replaceable. Yourself just happens to be the most common case where there is a selfish motivation to do otherwise.
For example, high quality reproductions of art are a very good thing.
I’d learn a different lesson from your example: Make things in general replaceable. Yourself just happens to be the most common case where there is a selfish motivation to do otherwise.
For example, high quality reproductions of art are a very good thing.