To drive home that point even further

More than 89 percent of counties in the United States shifted in favor of former President Donald J. Trump in the 2024 presidential election

[…] the 2024 results showed that all 50 states had shifted right.

Source: NY Times

The issue is that the same people that would lose votes from doing so would have to change the system. Which obviously means they have no incentive to do so.

That might certainly be one factor, but my intuition is that the primary driver is still todays diet. Things like soda drinks that let you consume teaspoons of pure sugar in an instant without appropriate feedback simply didn’t exist in the past.

This actually is a hard question. I assume it needs to be an industry that is small, doesn’t have huge margins and probably is primarily manual labour.

Maybe something like blacksmithing?