And bad financial advice at that, as the price is quite predictably half that at this moment and probably going much lower. There has to be a shakeout period in the price, no matter what.
But as far as Ethereum itself being a scam... They raised money to produce a product and they've produced it. It's real. It exists. They've done what they said they would do. Whether it was worth the amount raised or not is fairly irrelevant at this point. They've delivered on what they promised.