Annoyingly enough, that's not sufficient to make those ICOs scam.
The easiest counterexample would be Ethereum itself, who had a teenager as its public face, and raised large amounts of funds on top of mostly just a whitepaper, yet turned out to actually deliver all the crazy stuff they promised.
The easiest counterexample would be Ethereum itself, who had a teenager as its public face, and raised large amounts of funds on top of mostly just a whitepaper, yet turned out to actually deliver all the crazy stuff they promised.