But seriously, as a species our farming of cattle is not natural in the sense of ‘wild’ but industrial. Much of what we do with cattle to support milk and beef production – forced gestation, prolonged milking, selective breeding, culling of resulting over-production of calves, castration of bulls, feeding on hormones and protein-rich food etc. has from time to time produced or fostered epidemics.
The consumption in quantity of beef products and milk in the west is largely cultural and fashionable as there are other sources of the nutrients they provide, some of which we avoid for reasons of culture and like so much else, we over-produce to satisfy our over-consumption.
To argue that badgers don’t give anything back because we don’t commercially exploit them is not sound. They will have a place in the ecosystem and the effect of removing them completely might well be catastrophic, but we wouldn’t know until too late.
We are papering over natural crises already such as the disappearance of bees, which we don’t know the reasons for. We should take that as a warning about further wholesale interference with species.