This has got to be the most naive statement on crypto and laundering. Crypto are so easily laundered not because of traceability but because of the huge and rapid swings in value, Unexpected wealth is easily justified. Large sums are easily laundered by scripting thousands of transactions.

https://syntheticdrugs.unodc.org/syntheticdrugs/en/cybercrime/launderingproceeds/moneylaundering.html