Comment by kylemathews

Yeah, the last 100 years have sucked since the tractor was invented and I've been unable to find farm jobs.

You just beautifully summarized the "Lump of Work fallacy" https://en.wikipedia.org/wiki/Lump_of_labour_fallacy

Yes, technology changes/improvements causes transitions in the job market but as it turns out, human needs are endless and new jobs are created for displaced workers.