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.
Of course it becomes a must that we must have before investing or trading in crypto,
both knowledge and skills are equally important and if you don't have both it will be risky and it will be easy to lose money,
before investing in a project doing research is mandatory we will get detailed information and help in making decisions