The thing is, if ICO investment were safe, it would mean fewer profits and this would not be attractive for contributors. In addition to this, there are people who support ICOs because of the blockchain technology and the solutions they offer. There are some very good ICOs out there that offer very practical solutions
In General, Investments, it is always a unsafe step, as a third party who takes your money from you, can always be unfair to you or to the case under which he asked for money, in this case you can not control the process and ensure the safety of their funds.
However, recently, a very good backbone has been formed among professional investors who have not been mistaken for a long time and are making huge profits. So there is no doubt that it is mostly about professionalism. There where many will fall, some will always be resistance.