Hacker News Reader

> why would dentists allowed everyone to have perfectly healthy teeth?

Because it's the ethical thing to do.

Many things are harmful and non ethical but we still do it for the sake of profit:

- using pesticides and herbicides

- using fossil fuels

- waging wars for the sake of profit

- over fishing

- deforestation

- spying on people to make profit from advertisement and to influence their political views ...

- ...

And if I continue list can get very, very long ... :/