It is better to not comparing between bitcoin, gold, and fiat because each of them has different although right now, we can use bitcoin as the payment method. People still using fiat for making the transaction, and people use gold as their investment for their future, but many of them don't know about bitcoin so they might only know gold and fiat. If they can know and learn bitcoin, I think they will use bitcoin as the other investment type, and they will know that there is not the only bitcoin that will be their investment, but the altcoin can be the next option for the investment.
I agree with your opinion, don't compare bitcoin, fiat gold because everything is used as it should be. it's true that if everyone knows, about BTC as another investment, maybe there will be a lot of people investing, but unfortunately there are still many who don't know
Yes, we need to explain to them that bitcoin can be used as a new investment type as gold and the best is people can buy any amount of bitcoin even for the small amount. I think people will like to invest in bitcoin because they don't have to buy in large part of bitcoin. That will help them to invest in every month, and they will see that their investment will give a big profit for a long time.