My only remark is regarding the very end:
"US dollar can drag for several decades, nobody knows"
That's for sure, nobody knows (and I, for one, would hate to see this infamy - boiling frog with fake money - last for decades, or just one more).
But let's not forget it is also contingent on... the other guys' (countries') central banks (or not) accepting the fiat dollar.
It's a day-before-yesterday-secret that everybody but the Fed is hoarding gold by now...
Btw, it's a good idea, IMO, to keep an eye on what's going on in that thread, once in a while - things seems moving even in silver, lately:
My name is pronounced like "see real". I code stuff for a living and for pleasure. I care quite a bit about language.
I think America should consider doing the same, and... ASAP!