Earlier quoted context omitted.
If you trade in and out for cash, in person with a counterparty, from a self-hosted wallet that you never use to send or receive from any other wallet that's connected to an exchange... then yes. The use case for this is mainly moving money over borders.
except that person(s) you gave and received the cash from know who you are.
/edit 2: I should also clarify that I never cashed out my casino's BTC in this manner. That obviously wouldn't make sense because anything that touched a casino wallet would be traceable to that nexus. I only used it to bring extra spending cash and rent money to countries where it was hard or expensive to transfer USD through banks.