Not ICOs are not really dead. But its numbers are declining as compared to the past. Due to regulatory measures, ICOs are declining in number.
I am pretty much sure that unlike in the past, the market is becoming stable and more competitive. So only the projects with much to deliver can sustain.
More of the existing coins will disappear by the year of 2025.
There are already more reliable methods of investing in new projects, ICO is already associated with fraud for all people, and IEO, for example, is gaining momentum and attracting many investors, because it is created so that it gives people confidence that the project will not die as another dummy