ICO will never die they will always grow in this market. but the ICO that has no development at all will die faster. the fact is that when bitcoin falls in the lowest price the ICO is still running and this means that a decent ICO will certainly survive.
The problem is not that ICO die, the problem is that many ICO are cheating. And people are just afraid to invest their money. Here it is said that the ICO takes time. The market needs a new product that people can be sure of.