If anything, I think this is a unique opportunity for more people to learn about complex financial products like options, hedging, shorting, margin, etc.
With regard to gold and silver, these ideas apply to the paper market. And not of course the physical market. Hardcore committed investors in gold and silver are insisting on physical possession and physical delivery. It's the paper market that's responsible for the manipulation of the price -- specifically selling naked shorts and then settling in cash (rather than physical delivery).