But the INSTANT that a regular person becomes a regular small business, the tax authority can and likely will ask to see their records. The INSTANT someone buys a car, the government will be interested in knowing how they paid for it.
Even in the most extreme situation, the government can and will demand taxes to be paid in its preferred currency. How are you gonna get hold of a substantial amount of dollars or remnibi or whatever without getting caught?
This stuff is enforced and no amount of math can beat thousands of years of the state figuring out how to collect taxes.
So much for the "hacker" in hacker news, and all the ethos behind that word. Instead what we get is pedantic social control freaks flinging smugness as if it were feces at anyone who dares think about the usefulness of things that work around surveillance.
No crypto is large enough to be useful as cash and yet still censorship resistant. Governments can and have censored developers, miners, and exchanges. Monero is no exception, as highlighted at the beginning of the article. Further censorship is just a matter of time, not capability.