People think cause there are many scammers in the network the chances of being scammed is high, but mind you that it is people's folly that more often than not makes them vulnerable to loss of funds and other whatnots.
Investing without knowledge will be willing to lose funds, if we are accustomed to learning the criteria for a good project, it will avoid scammers because scam projects have no foundation as legitimate projects, all forms of whitepaper implementation are only compositions and duplications of top projects.