Gold has been around for a long time so it has had time to make its mark on people. Bitcoin is "relatively" new compared to gold. Bitcoin is still trying to find its place in the world and that is why people have gold compared to Bitcoin.
Gold is traditional currency in the history it is use for trading goods and other materials. Gold is better than bitcoin, because gold exists in very long long time but coins exist year 2010 i think. The big difference is the price of bitcoin compare to gold. But gold has lot of resources compare to bitcoin.
It is true that gold is better than bitcoins yet is more trustwothy than bitcoin but we haven't see the true powers of bitcoin. It is true that gold is better than bitcoin because gold exist in very long time yet it is risky to invest in bitcoin but if we remember, the higher the risk the higher you will get. I guess we shouldn't compare those two because every one of them have their own advantages and disadvantages.