What I see is that most people do not even at all understand the cryptocurrency and blockchain technology. They only have a belief that cryptocurrency investment pays hugely and they only want to be rich quickly. You will see that most of the investors do not invest for the use purpose but just to buy at ICO cheaply and sell at profit.
Honestly, all investors only care about profits. Nobody cares about the future of these projects, so after the end of the ICO or IEO they will dump it when it is listed at exchanges. And the reality is that new projects only have great ideas and they are never able to turn those ideas into products. That is why most projects do not keep their promises as they were