Yes, at some point too ICO were raising hundreds of millions of dollars. Can you point me to a single ICO were "investors" actually made money on the long run?
To name a few of the big winners. You said long-term so I assumed you meant someone was bag-holding since the ICO until now... so I omitted that all of these topped out at way higher prices.
Just because a lot of the ICOs were dogshit doesn't mean that all of them were