The short duration of this crypto hack isn't particularly noteworthy. Of course it takes time to find or design the exploit, but execution is typically very quick for such events
That is a safe bet 92% of the time, but they rushed getting the stolen coins into a tumbler service. The kind of people that do business in bitcoin, are not the class of folks you want finding these thieves first.
Yet, picking politically attractive proxy-scapegoats is a classic pro move. =3
Also I thought tumblers didn’t work anymore? Didn’t they figure out how to trace btc anyway?