80% of the antibiotics consumed in the US are used in animal agriculture[1]. 2/3 of infectious diseases in humans have animal origins. Along with horizontal gene transfer, antibiotic misuse in agriculture is overwhelmingly responsible for antibiotic resistance in the US.
As someone who often gets secondary bacterial infections from initial viral infections, I often have to fight with well-intentioned prescribers in order to get adequate treatment so I don't end up in the hospital a few days later.