Sounds about right[0].

> Direct on-farm employment accounted for about 2.6 million of these jobs, or 1.3 percent of U.S. employment.

Are farmers somehow not susceptible to conflicts of interest? You suggested it yourself: The work is hard enough as it is, so the last thing farmers have time for is to pressure godlike multinational corporations into investing into alternatives. Who else is supposed to complain?

[0]: https://www.ers.usda.gov/data-products/ag-and-food-statistic....