If you go to the many small towns in farm country across the United States, I think the last 100 years will look a lot closer to "doom" than "bumps in the road". Same thing with Detroit when we got foreign cars. Same thing with coal country across Appalachia as we moved away from coal.
A huge source of American political tension comes from the dead industries of yester-year combined with the inability of people to transition and find new respectable work near home within a generation or two. Yes, as we get new technology the world moves on, but it's actually been extremely traumatic for many families and entire towns, for literally multiple generations.
On the one hand, it brings a greater selection, at cheaper prices, delivered faster, to communities.
On the other hand, it steamrolls any competing businesses and extracts money that previously circulated locally (to shareholders instead).
Not sure when you checked.
In the US more food is grown for sure. For example just since 2007 it has grown from $342B to $417B, adjusted for inflation[1].
But employment has shrunk massively, from 14M in 1910 to around 3M now[2] - and 1910 was well after the introduction of tractors (plows not so much... they have been around since antiquity - are mentioned extensively in the old testament Bible for example).
[1] https://fred.stlouisfed.org/series/A2000X1A020NBEA
[2] https://www.nass.usda.gov/Charts_and_Maps/Farm_Labor/fl_frmw...
You get layed off and spend 2-3 years migrating to another job type what do you think g that will do to your life or family. Those starting will have a paused life those 10 fro retirement are stuffed.