Economist and staunch Bitcoin (CRYPTO: BTC) critic Peter Schiff recently expressed concerns over ETF investors being set up to bear the brunt of losses. What Happened: On Sunday, Schiff took to X to share his observations on the current trading patterns and ETF inflows of Bitcoin. He suggested that while the “smart money” is selling Bitcoin in the spot market, the “dumb money” is buying it through ETFs. In what looked like a cheeky remark, Schiff congratulated the Bitcoin whales for setting ETF investors to be the bag holders, a financial slang used for those who hold on to poorly performing a…