I still see meaningless comparisons of gold and bitcoin. The only thing they are similar to is the valuation against the USD. I don't think you should look for a similarity between gold-bitcoin anymore. Two very different things!
Does anyone look for similarities in them? After all, their difference is obvious. Gold and bitcoin even have different goals.
Both gold and bitcoin has limited supply. Yes, maybe both of it has different goal for achieve, but i think there are no different for investment on these, as Bitcoin has stored value for long time.