Trillions of dollars are stolen by government officials wastefully spending taxes they collect via mechanisms of force and by people who classify as "money laundering" activities they don't like -- such as people who grow weed and then sell it to a willing adult buyer and have the nerve to actually clean the cash so it can be spent on stuff like buying baby formula or the rent.
If the argument is bad stuff possible then your argument is to abolish government.
We cannot presuppose that breaking the law is necessarily bad or that following the law is not bad.
Trillions of dollars are stolen from the people by money laundering and tax evasion every year, and cryptocurrencies are one of the ways this is accomplished.
Yes, some people live in countries where the law is hostile. However, your solution, "Let's evade all laws concerning money," is WORSE, not better.