Rather than read to acquire knowledge someone sits in the middle of their ignorance to declare crypto a scam. Like they were forced to accept cryptocurrency for a transaction.
It is the lack of crypto exposure will I say that will cause some people to call crypto a scam. Someone who tends to understand the basics of crypto, there is no way he or she will call crypto a scam despite their losses because they know about the nature of the market to be volatile and how to deal with it by investing at the right time in Bitcoin with a long-term goal in mind.
However, the major mistake some investors make is to rush investment in Bitcoin or altcoins and expect overnight profits in a short while