Scammers in the crypto world are always there, even they use various ways to earn money easily. To date, there is no solution to the scam project it is difficult to distinguish between good and bad projects sometimes they disappear halfway so we really should careful when choosing the project to invest in. Newbies will always get victimized so I hope they aware of scam projects. I think you need to be careful not only about investments but in general about everything related to cryptocurrency.
It looks like you are making newbies afraid to do anything in cryptocurrency, because being careful here doesn't mean having to watch without doing anything, but being careful in choosing and following all programs in cryptocurrency so that in-depth research and analysis is always needed by everyone inside crypto.