You cannot call it wealth to describe its value. You are just saying that the value of it is in itself. Which is what I am supporting as well.
In order for me to exchange it for goods, as you described, there must be someone who has the goods and is willing to exchange them for bitcoin. There is no real reason for someone to do so.
It is not an apocalyptic scenario. That’s what 90% if the population fight for, day in day out. Food, protection from the elements, security.