All true but done in light of the historical record of every other time the party crashed to a halt suddenly. They're trying to not let everything go to shit while a solution is prayed for.
Historically, things are just as unstable with gold as without it. And if you have productivity rises and inadequate increase in gold supplies, you get deflationary effects. This being said, fiat seems just as capable of that.
[1] http://www.fuw.ch/article/die-angst-der-snb-vor-dem-eigenen-...