You are right in your outlook, of course crypto is not a scam, even though, yes, there are a few scams in the crypto world, not everybody is honest. What I liked most in your article is this, which is completely true:
"Some argue that this process might lead to a "Big Brother" scenario, where a vast majority is to be enslaved by a rich minority who will take control of the resources and technologies. Well, believe it or not, we already are enslaved. So there is no fear of that happening, as it already happened."