because gold is a precious metal and very valuable. you can sell gold in every country and gold can also be made into jewelry, gold has also existed for a long time and is considered as valuable by everyone and shows that gold is suitable for long-term savings and the value of the price is not much decrease and the increase is also very stable. while the new bitcoin appears in recent years. and only approved by people to respond. while gold has a longer process than bitcoin, and bitcoin has not been widely available at this time, perhaps only with time to prove it all.
Are you trying to explain us here why gold is better? You ate a joke, as your comment. First gold can be better if you plan to make a gold teeth, you can't put bitcoin in your mouth but golden teeth's are popular among some people, I don't wish to go deeper into that area.
But if you wish to send that valuable possession from one part of the world to another, what you think its better in that case?
As an investment bitcoin is better, gold have stable price over the time with small increase, if you wish to earn form your investment use bitcoin, if you wish to save your money buy gold and keep your money safe in your basement. I don't like precious metals, I never did, so for me gold is nothing special and I don't know why people are crazy for gold.