there are lots of cases like you mentioned and so many of these new investors don't know how to become good ICO participants and the ICO who really can have requests and projects developed is very useful it has become very little because sometimes when ico finishes a lot once that is just nonsense and not in accordance with the plans in the whitepaper.
Yes that is very true, in fact it is not so easy to know about the actual aim behind an ICO, we need to study the ICO very cleanly because there are a lot of ICO and may be more them can be consider as scam. Therefore it is too much important to have good knowledge about an ICO where we are going to put our money