I don't want to be pessimistic, but it's undeniable that ICOs are becoming obsolete, ICOs are like an outdated technology and are replaced with a better upgraded version, IEO. Those who expect the ICO to be able to return to the way it was before will be disappointed.
This is not a pessimistic view ICO has its own flaws which require extensive research on the team behind and the problem they are trying to solve in 2017 it was the bull run so even garbage did several multiple so I think now the investors are very matured and IEO is the best alternative which replaces the ICO at least most of them where exchanges do some due diligence which helps us