only stupid people say bitcoin is a scam, I understand that the volatility of bitcoin is very fast and difficult to predict, but the volatility of bitcoin for me is not a scam, I understand that the whales control the bitcoin market, but I also see that the bitcoin market in the trading world cannot be manipulated. I don't care about people who hate bitcoin, because they can't influence my belief.
Basically if you have a positive experience from bitcoin, you will not say anything against it. Perhaps, these people just lost al lot becuase they either Fomoed or bought in a wrong price and is not patient enough to hodl it.
One thing for sure, the influence of social media made it much harder for other people to understand people as they are learning from opinions not by facts. I can say, some people I know say that Bitcoin is a scam just because they heard it somewhere, without really knowing that Bitcoin gave them the absolute freedom to choose how they will use Bitcoin in their lives.