1) The KYC/AML/CFT burden is high for financial institutions, too, it is not like they want to spend all that money.
2) The efficacy of the measures is not uncontested by academia, regulators, and financial actors.
3) The CBDC discussions tend to have a thread on anonymous wallets, so why not for other things, too? Not like every low value artwork is government registered.
What does not work is open defiance, because if policy wants it can come for "you". Usually easier to go for the person but do not underestimate the effect of committing billions to software disruption either.
There are valid policy and regulatory points to made about what exchanges people should have anonymously and the pendulum on financial regulation is probably just at one of its peaks...