Its a partial view of Bitcoin. It is true that one of the core features of btc is the untraceability used for illegal purpose, but crypto can perform money movements instantly, without any cost GAS and electricity apart, and without the slow mechanisms of traditional banking. There's a lot more, like the decentralized nature of the system; and actually btc represent a value reserve like gold, so people buy it to invest our money. Despite the great volatility which is a fact, btc is still one of the best investment to do. Look at history of fluctations and you will find why.