system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] Why didn't Nicholas Flamel use the Philosopher's Stone to cure aging for everyone?

If memory serves, after he made it, he basically kept the thing for himself and his wife. Why not use it to help everyone live forever? He could have improved the formula so the elixir only needs to be taken once, or spread the plans for the stone so everyone could make one. In fact, he could have used it to broker a peace between wizards and muggles. But instead, the book basically tells us that living forever is bad (although it doesn't mention what exactly is so bad about something so awesome) and is completely fine with letting people keep suffering and dying forever. Why not fix such an easily solvable problem?
gpt
The wizarding community doesn't seem particularly altruistic. 

From Flamel's point of view, not everyone should probably be allowed to live forever. The idea of *one* snake like sorcerer coming back was bad enough for him to give up both his and his wife's immortality.

Beyond that, we don't know the limitations of the stone or what's required to make it/the elixir of life. We do know you need to constantly drink the elixir to prolong your life though. If the stone is one of a kind, and he is the only one capable of making the potion, he'd have to spend the rest of his life constantly churning out drinks. Blegh.