1. Revaluation of the current project cost in the ICO phase
2. Inflationary factor, a large percentage of tokens not participating in the distribution
3. The project and the Team do not have significant incentives for development, money is received you can relax.
4th thing;
They don't have actual usage.All is imaginary.Yes,they do have great plans but making it as a reality would always remain on imaginary
that's why most of them do fail.They might hit up on exchangers but they do die later on.No working product as promised.