> For example, what happens when a piece of bread is worth less than 1 satoshi

That does not seem to be an imminent danger. The price of Bitcoin would have to increase literally 1.4 million times for a satoshi to be worth a penny.

> To make matters worse, if a whole bunch of flames goes up in flames more can be printed to replace it. If Bitcoin goes missing[1], it's gone for good.

Isn't that the same with paper cash? If by a "whole bunch" you mean enough to cause a worldwide issue, then there are solutions to that. Maybe not great solutions, but there are some. Worst case, a hard fork. That's essentially what led to Ethereum vs Ethereum Classic, isn't it?