They were less productive, but they didn't have to die. The UK government decided on culling infected animals within 24 hours to prevent the spread of the disease. Vaccination was considered uneconomic because many countries would not import vaccinated meat. Also, the process required getting trained vets. Although farmers may get compensated for the loss of their livestock, the tourist industry doesn't.
Footpaths are closed.
Rural bed and breakfasts and hotels have already felt a visible loss in business. I don't live in the countryside. I can't smell the burning of animals. I don't eat meat. But I do wear leather shoes.