Simple did you read the survey?

Almost 80-90% trader on losing position and yeah cryptocurrency is the heaven of scam activity because the fund is untrackable and when they disappear no body to contact the authority to report the scam, everyone just to lazy for that and cost more money. Another reason again, most of people can't even know the reason why they are investing the money into a coins/token they just following advice from influencer, famous people, friend or fomo group.