Another thing is when they offer you a "no-risk" investment. That's a whole load of bullshit. An investment must carry risk. Some risk may be bigger than others, but there is
no investment is without risk. those who offer such things are obviously scammers. unfortunately, many beginners are trapped with such a perception. seeing ads or advice related to Bitcoin investments with the promise of quick profits from a platform. and when they don't make a profit or even have their money stolen, the blame is on Bitcoin. not the scammer. that's what makes a lot of negative views of Bitcoin. which was actually created by people who don't have enough knowledge to define Bitcoin and how it works.
Scams are one of the reason why crypto became wrong to them since it creates bad impression to newbies that crypto is just a tool for scams since they had bad experience on early stage of their investment.
If they just been well guided and get an advice that ponzi scheme platforms is really bad choice maybe they will be more careful or will not decide to invest on any platform offers same system to them.
We have a lot of source of information so better for people experience bad on their first try should research to know what are things that can help them on their investments on crypto.