We don’t need to. They have some mild side effects, and the wearers put up with those. That’s life.
You can accept that risk and use them, you can mitigate the risk and wear shoes with a lower heel or you can avoid it altogether and stop wearing heels.
If you don’t like the choice, we’ll, that’s life. Contrary with what many belief, you can’t have it all in life.
The choice is of the wearer. Always. If you are 5′ 2″, you just need your character to take the place of heels.