Many are literally born into it also. Unrecorded secret births. The infants never even get a certificate. Many are used as a sacrifice, but a few are kept for other purposes.
Why these evil people do these things, is a good question.
The answer is that evil truly does exist, at both a mental level as well as spiritual. More specifically, I think Q is accurate in his statement that "these people are sick".
Degrees are different for such sick people, some sociopath, some psychopath. But, they are sick.
It is a reality.
The thing is, Satan himself is a type of mentally ill psychopath. So, mental illness runs throughout the physical and the quantum world of light.
Lucifer is called lucifer for a reason. The shining one. The being of light. The once brightest most beautiful angel, until iniquity was found in him. Pride. Narcissisms. Illusions of grandeur, and a will to kill to gain more power. The light turned in on itself, like a psychological black hole.
Evil always has to be kept in check, by humans.
It's why we build prisons.
If we do not check it, it can destroy civilizations, It has, many many times.
Think about how the Romans watched with delight as two humans were torn up by lions in a coliseum. It should not take a mentally healthy person two minutes to realize that grave murderous mentality can be taught, and even caught like a virus, making whole civilizations cannibalize themselves into death by a thousand mentally ill evil actions.
Satan's greatest accomplishment was convincing people that he does not exist.
This is where we get this new teaching called "moral relativity". It is a rejection of the concept of good and evil.
People are suddenly awaking now, to a persistent historical truth. A reality that they have attempted to pretend away, for a long time.
It seems, good people who are not sick, simply loath the exercise of having to think like the evil ones for the purpose of getting ahead of them. It is not comfortable for mentally healthy people to have to deal with the way that sick evil people think. It is work. It is ugly work to face the ugly reality of evil.