> "Just think about what 0% inflation means. It means your money never loses value. That's frankly impossible."
your causation is backwards. inflation is an emergent property of the economy, and can be negative or zero if it wants (e.g., japan).
> "That labor is simply gone and so is the value of the money and that loss must be represented through a negative interest rate."
this makes no sense. what interest rate must become negative when unemployment rises?