Peter Schiff renewed his criticism of Bitcoin (CRYPTO: BTC) after the cryptocurrency slipped below $68,000, arguing investors would have generated far larger returns elsewhere over the last five years. BTC Failure To Outperform Schiff's comments in a X post on June 2 sparked pushback from crypto traders who accused him of ignoring Bitcoin's massive long-term gains after previously discouraging investors from buying the asset near $1,000.