You and
@Lorax7 seem to be talking at crossed purposes. In your restating of the equation you're leaving out GDP, which stands for Gross Domestic Production. It's a measure of the total economy of a country and, varies based on population (as in: countries with more people tend to have a larger GDP). It's a little more complicated -- when we talk about rich vs. poor countries, usually we are considering GDP per capita. As in, GDP per person.
Here is the CIA Factbook's list (kind of old, 2004, but we can go with it).
The US is #20 in GDP per capita. If you look at the countries between 10 and 40ish. Most of them have healthcare and tuition costs that, if not free, might as well be free compared to US costs.
Let's look at Germany. Their GDP per capita is 83% of the US. Tuition at their public colleges is free. Their healthcare is primarily public funded but adult workers do need to pay 7.3% of their income as a premium (children, spouses are free). If you want to play games with the word "free" you could roll the 7.3% into "taxes" and then yes, healthcare care is free for all.
Should the US move to a more German (or Canadian, or Belgian system) maybe, maybe not. But anyone who tells you at that it is financially (as opposed to politically) impossible is either misinformed or lying.
And -- to tie this back to bonsai tools and equipment: Trade wars are going to make the bonsai hobby more expensive. Personally, I worry about the small businesses (like Stone Lantern or American Bonsai) who are going to be getting squeezed on costs at the same time that their customers are seeing prices rise in other areas. When elephants fight, the grass suffers. Hopefully we'll remember that most of the folks that make their livings from bonsai are also the grass.