> Why would I even buy the smallest priced thing with deflationary bitcoin, ..?
Given the inflationary dollar, you probably wouldn't, but otherwise, you'd need to transact at some point.
Perpetual debt against assets is a common trope in tax avoidance. People do use/abuse this. If enough people abused it inflationary money would fail.
Deflationary money isn't bad, but the common belief says it is. One example that changed my mind was business investment.
Why would you loan money to a business if the money itself might be worth more later? Well you probably wouldn't. Instead, you'd buy a share of the business itself.
We've all live in a system of inflationary money and were educated by a system that teaches it's use. We should acknowledge our bias here and keep an open mind.