It's doesn't have to be short term. Previous processes mostly were, by necessity.

I'm thinking that if it becomes long term, isn't it then a store of value?

I might be arguing semantics but if you put dirty money in to a box, and 5 years later it spits out clean money. That's different to a box where you put dirty money, it immediately spits out clean money, but you leave it there for safe keeping.

On the other hand, if you have regular movement of money through a system, it becomes easier to trace the start and end points. If moneys just sitting there, you cant follow it.

It's also different to a box you put dirty money in, that spits out clean money immediately, and is also a secure place to store money.

It's just solving both the fundamental problems of handling blood money at the same time, ergo Lambos and HODL genius.