Those people are after for the instant profit,
They are the type of people who tends to risk their money with investing scheme without knowing the circumstances they might face after investing. People like that is most likely greedy and they don't have enough knowledge about what they are doing.
Correct, once there are always naive and greed people it will always turn out to fall in trap by scammers due to their greediness.
But we can help them and educate them on how to spot a scam project and busted them. Once they are willing to learn I sure someday they are also good investors. Scammers are everywhere so you should be vigilant in any people who are you dealing with the internet, you can avoid scams.