Basically they got a lot of money, enjoy the millionaire's life but after a few months or so will realize that they have to perform. But since they already have the money, the coin/token is in exchanges and community is there to keep the buzz alive, they will come to a point that most of the projects that they posted during the ICO are not profitable, not technically possible or they don't have the talented people to keep the projects going. Then why not just "Drop it while it's hot".