Teenagers are the one who are really getting targeted easily as they think they can easily make money from this and will have a good pocket money from this forgetting the future what can happen if they lose out all their money and how hard at times it is difficult to make money.
I don't think teenagers are the prime victims here. Everyone who dreams to make big money would get easily seduced by the big wins on casinos. Teenagers may lose their pocket money in gambling while addicted mature gamblers are spending their hard earned money in it.
I agree that teenagers are not the victims but they have a big curiosity about something new and sometimes they are trying to know more deeper about that. And this can make them try to playing gambling and they can attract to the deeper side of gambling and spend more money. Sometimes they can think that enough is enough and they still playing the games until they lost the money.
It is why we need to take care of our kids to not playing gambling because once they know about gambling, then they will attract deeper to the game and they can become addicting. We don't want our kids to become an addicting person in gambling, and we need to explain to them about the dangers of gambling so they can prevent and take care of their selves.