most people cant possibly buy some gold because gold is alot expensive and its not easy to get, you need to process some documents or etc just to have it. but bitcoin is a hell lot easier to obtain all yo gotta do is to go online and you can get it on any ways, also bitcoin does not require more stuff or process just to purchase it and bitcoin is still better than gold because its easier , faster and more ways of getting it plus no one controls or hold it  and you can also mine it just like gold , although gold is physical.