Indeed. Although I do think these are having a diminished effect over time. Too many painful lessons have actually been learned and the scams are getting tougher to sell.
If you look into the history of penny stocks, crypto scams are the new penny stocks. Penny stocks have been around for hundreds of years before slowing down, mainly because a better platform for scams came with crypto. The illusion of getting rich fast and easily blinds normal people. Sadly, these scams will always find another sucker.