It’s also amusing to see this straw man argument and rebuttal get posted in almost every single discussion about cryptocurrencies.
Most of these scams have been done in the height of the penny stocks days, and the SEC has (or had in the past) put a lot of effort into protecting less saavy investors.
Lastly, I work for a client in this space. My client is doing a legit business, but we constantly deal with customers who have made and lost money in dozens of these ponzis over the last couple of years.
Or replace gold with US dollars or tulips or Amazon.com stock or whatever.
How is this a Bitcoin issue?