Psychologically, most people jump into conclusion because they are... He called something fraud maybe because he is a fraudster.

Saying that only illegal biz types use crypto is like saying INTERNET is only used for illegal businesses. They are plain IGNORANTS and ILLITERATES.

"CryptoCurrency fits in with the super-fast development of INTERNET technology".

Any form of money, fiat or crypto can be used legally and illegally. It's all up to the users how they would use it.