I am very curious about your question,what is your purpose of comparing btc with gold? . Because both of theme are different, i know both it same for investment, but there's different system. Okey i'll try to answer it. If i have a lot money i will choose gold. Because gold never end. But bitcoin maybe some day will end. That's if you compare gold with bitcoin.
I don't believe that BTC can be end. I know that 21kk max. But not because of this. So much time need to complete. But what is gold? If we tell about future contracts than it's not gold. It's paper or digit on your screen. But real gold people purchase not so often. But this is actually