I personally do not believe this statistics that 99% of ICOs are scam, because some ICOs fail do not mean they are all scam. I usually tell people that starting an ICO is like starting a new business, it might succeed immediately, it might fail presently but have a great future and it might fail totally beyond redemption. So because a project is failing to perform presently or fail totally do not mean it is a scam. Don't get me wrong here, I never said there are no scam projects but the rate is not as high as alleged. Judging a project based on its first few years is wrong, give it time to realize its potentials.
It is very unfortunate that the reputation of ICOs are being ruined by those scam projects. Indeed, there are projects that sadly failed from the tight competition in the market but it doesn't mean that it is the end for those ICOs. If possible, ICOs can be revive once again with better advertisement so that they can catch up in the market.