If life is about maximising pleasure and minimising suffering, then people should stop having children

Many(not all) secular liberals atheists believe life is about maximising pleasure, minimising suffering and no deeper meaning.

There's no guarantee that your children will have good life even if your life is set and good. Even when you properly planned their life. They could be born with disabilities. There is no guarantee for maximising pleasure

But there is a guarantee for minimising pain. By not existing