Final answer:
Deplorable working conditions were a concern because they affected worker productivity, increased the risk of accidents, and had an impact on product quality.
Step-by-step explanation:
Factory owners had concerns about deplorable working conditions because it affected the productivity of the workers, reduced the risk of accidents, and improved the quality of the products. By investing in improving labor conditions, such as providing better safety measures and healthier working environments, the workers would be more motivated, healthier, and focused on their work, resulting in increased productivity. Additionally, reducing the risk of accidents and improving the quality of products would lead to higher profits for the company.