You raise some crucial points regarding the challenges faced by farmers and the complexities of the modern food system. The mechanization and chemical-intensive practices that have boosted productivity per acre have inadvertently contributed to a decline in the number of people engaged in farming. This has led to increased dependence on external resources such as oil and chemicals, further entrenching the cycle.

The issue of centralized and complex food systems is also significant. As the supply chain becomes longer and more convoluted, the farmer often receives a diminishing share of the final price paid by consumers. This creates financial strain and makes it difficult for farmers to earn a sustainable income.

Promoting local food production can indeed help mitigate some of these challenges. By reducing the steps between the farm and the end consumer, local food systems can create opportunities for farmers to receive a more equitable share of the value generated. However, as you mentioned, even with local production, there may still be limitations in overcoming the underlying financial pressures.

The example you shared about the farmer's income compared to the minimum wage highlights the stark reality faced by many agricultural workers. Working long hours and taking on the risks associated with farming, while earning less than the minimum wage, is not a sustainable situation. It's important for society to recognize the immense value farmers provide and ensure fair compensation for their hard work.

To address these challenges, a comprehensive approach is needed. This includes supporting policies that promote sustainable agriculture, fostering local food systems, and advocating for fair pricing and compensation for farmers. Additionally, exploring alternative models such as community-supported agriculture and direct-to-consumer sales can help create a more viable and rewarding environment for farmers.