I think all ico projects are not necessarily bad, so do not ever be afraid to join and invest in ico project, the most important we always be careful and always judge into it to ascertain whether or not the ico project is right, maybe from the assessment we can find out if they really serious or not to run the project.
Of course, nowadays, there are many projects use blockchain and ICO to lie the investor and get money. ICO became the place for the scammers want to rob money from the investor without break the law. So, if the ICO investors do not prepare the knowledge carefully, they can become the victim of the scammer is very easy in this field.