Gold advocate and Bitcoin (CRYPTO: BTC) critic Peter Schiff on Thursday, ridiculed the miners, questioning the drop in Bitcoin mining stocks, particularly as the leading cryptocurrency witnessed a surge. What Happened: Schiff on X said, “What’s going on with Bitcoin miners? $WGMI, a Bitcoin miners ETF is down 22% from its high just two days ago. Is this a sign of trouble ahead for #Bitcoin itself and for all of those new #BitcoinETFs?” On Thursday Valkyrie Bitcoin Miners ETF (NASDAQ:WGMI) ended the day 8.39% down. Schiff referred to Bitcoin as the “ultimate bubble,” suggesting it as a reason f…