Exactly! Many people can come up with idea that 80% is too much, but it is sad reality. Some projects are scams and even if founder has good intention, bad circumstances can lead to total failure with listing or product development.
80% is not too much. I think that everyone knows that investing is always a risk, and investing in ICO is a double risk. Now we see that ICO is going through not the best of times, this is due to the fact that too many people want to earn quick money.