@wabuffo succinctly explained the case for gold, imo. Miners could be better, but traditionally, mining stocks / even gold mining stocks) also get whacked badly in a Stock market downturn, so as a hedging instrument, they may not work well at all.
Holding cash in the 70‘s was not so bad, because savings accounts and short term bonds/ treasuries were actually yielding something. You still lost purchasing power as the yields didn’t keep up with rising inflation, but it wasn’t a catastrophic loss, I think