there needs to be an easier way to purchase bitcoins. the time and effort it takes discourages many people, slows growth and value.
If you want to invest $10 in bitcoin, you can purchase a fraction of a bitcoin. If you want to invest $10 in gold, you would need to find someone with dust to sell such a minute quantity. That's much harder to do than buying bitcoin. Anyone with substantial funds to invest should know how to make a wire transfer.