Ask any agronomist. There's even that Netflix documentary. Industrial farmers understand the economics of their operation, but very little about its biology. They know as much about that as Amazon warehouse workers know about how the GPU you ordered is built.
If you believe farmers are beholden to whoever you think they serve, you should be twice as suspicious of agronomists who have no literal and figurative skin in the game.
They agree that farmers understand financials. But they also restates what you said. Farmers don’t understand the actual biology of farming. They are dependent on the company provided experts for that.
The only real difference between you and the other commenter is your definition of the word “smart”. You both agree on the facts.
Also, “Even a Netflix documentary” is a horrible comeback when the original comment’s “evidence” is as a YouTube video.
Not all programmers understand how their instructions influence the circuits that execute them. That does not validate statements like "programmers don't understand electronics."