Reverse able of course. If you later can afford to have it reversed, you will be fiscally able to support children. This doesn't stop procreation, it limits it to a sustainable rate. Uncontrolled growth is a characteristic of cancer. Over breed your resources and war, mass disease, starvation, and death are sure to follow
Is it better to prevent horrid misery on a massive scale, or just let em have at it?
Why don’t we just pay for their abortions?