"Just create a new bank." Which was the OBVIOUS answer there. "How can we really trust goblins with our money anyway? In my own opinion, we can't trust them anymore than we can trust any other person to watch over it. What do we really know what happens down in those vaults?" The huge 'protection' and all the dragons could just be a decoy to what they don't want everyone to see! Who knows...they could be secretly stealing money and possessions since they are all 'rebellious' and such.