Gold has very high historical value due to its lustre and attraction as a precious metal, as well as its historical use as a store of value in mayn different cultures. And as you would know, human habits and cultures are hard to change. Both bitcoin and gold can be considered equally scarce and difficult to transacton, however gold has an advantage of being so established and the institutional backing behind gold trade though many different exchanges.

It will take a long time for bitcoin to catch up.