When someone has never tried using bitcoin then they will never understand Bitcoin.
That's why we have so many skeptics lurking and spreading FUD about bitcoin and crypto. People who have no knowledge about a certain project or technology that can make you profit would definitely call it a scam unless tried it himself or by gaining knowledge about it. That is why we have so many emotional investors right now coming in because most of them doesn't really know what's the nature of the crypto market. All they know is that investing in bitcoin can make them rich real quick.

Bitcoin is a miracle and we all want to be part of a miracle !!
There are some people who went broke because of bitcoin, specially those people who are addicted to online gambling with bitcoins. Some retirement funds were scammed by cloud mining site run by scammers.
We should all take extra precautions when doing transactions online for there are lots of scammers online trying to take advantage of those people who have less knowledge about the technology.