I don't think he ever implied that, he just said that the two people who fall for scams are either people who don't understand what they're getting into and the people who want to be greedy and believe everything they see.

"A fool and his money are soon parted"

I personally think if you are greedy enough to think that a website can offer you 30% interest every day and all you have to do is send them your money, then maybe you need to have a long hard think about what you do with your money.