The headline is not supported by the article. The actual list of "suspicious activities" in the article is about pooling, structuring, delaying transactions -- the stuff you do to hide activity, whether for good or bad. It says nothing whatsoever about self-custody. The author makes the imaginary leap because they say they personally recommend doing all those things with self-custody. But they're totally separate thi…
It is because if you can't do those things, bitcoin has no use. Its only functions are to dodge laws and transfer money, and it's bad at transferring money.