I would disagree. They enjoy it because evil is enjoyable when you have carefully cultivated that part of yourself.
Small evil acts give a thrill. You can recognize that and suppress it or you can recognize that and cultivate it and then move on the bigger and bigger evil acts to get the same thrill.
I don't agree. I experience such things as moments of intense regret.
If you are traveling, and your vehicle kills an innocent animal, you should feel something.
If you feel a thrill, there may well be something wrong with you. It doesn't make you evil. What makes you evil is consciously seeking out the thrill that such an act provides.
Each of us must weigh these things for ourselves. Evil is not what you feel, it is what you do.
You may be more correct than I. It would explain why some people can be drawn into evil by evil devotees.
Although some seem able to resist the so-called "attraction" of it.
I don't agree, either. I think if there's a generally-experienced thrill, it's from risky acts, not evil acts specifically.
Maybe we associate risk with evil (or at least disobedience) in childhood, when our parents tell us not to do something that could hurt us. When we disobey, we experience the inherent risk of the activity - climbing a tree, for example - as well as the risk of punishment for disobedience.
In adulthood we can experience the risk and thrill of driving fast, as well as the risk of punishment for breaking the law.