Yes, the fraudsters have been, are and will always be. But the cryptocurrency industry will not get better from this fact. After all, reputation is spoiled. And the trust of the investors is lost. It may take many years to restore confidence.
Scammers is the reason why many investors don't want to invest again in ICO , i hope there is a solution for the future about safety investment so we can't be afraid anymore to invest our money because of those scammers.