I think you have some clear points of your insight and i agree with you about the Nodes its quite promising and a minimal income generator. But as i see the things about crypto you should see it in the positive side for example the "Mining remain its potential, even "Day trading maybe its not for all since it has required technical expertise but still its quite productive if you focus it and learned with it. Desame as ICO as we see it today they are already existing and thriving so it means it has a demand it will not prospere if has no investors then, lets see it in the positive side and not the other side!