We have to always remember that many projects introduced via the ICO platform are experimental in nature so there is that big possibility of failure. Now, coupled that with the fact that scammers are already here in this sphere so people or investors are not yet so serious in getting into alts. I have no problem with Bitcoin and other top cryptocurrency because I think they have already proven their worth though there are still many non-believers of cryptocurrency (though they might be believing with the blockchain). This year, things are different from 2017 when projects even with less value can easily find investors or token buyers and can rise in the exchanges...this time people are already scrutinizing and many failed the test indeed. In my view, a project can really take time to take off and after the phase of the ICO things can go wrong somehow somewhere because human nature can be setting in. Stories like Tezos and Envion come to my mind on this regard.