Gold is scarce but it has no limited supply. Bitcoin has limited supply.
Gold is not easy to save. Bitcoin is easy to save if you read and understand about it.
Bitcoin is actually easier to initially use than gold. There is so much fake gold out there, you can often not be sure if what you got was the real thing. With Bitcoin it is very easy to know that you got the real Bitcoin. Where the disadvantage lies is on keeping it safe for a longer period of time.Gold is not easy to save. Bitcoin is easy to save if you read and understand about it.
Because BTC is digital - and people of this age tend to go for this rather than gold and assets that cannot be used on the get-go, so to speak.
To be perfectly honest, gold is mostly shit. People who like to flash gold jewelry are also usually shit people. A correlation perhaps? 