Yeah sure, but they can’t be easily sold for money. If dead flys could be sold for money, humans would kill them to extinction, regardless of the consequences.
It is actually the other way around, many fly species are pests to humans costing them a lot of money. Flies are also the greatest killer of humans and there have been massive efforts undertaken to get rid of e.g. mosquitoes.
Yeah sure, but they can’t be easily sold for money. If dead flys could be sold for money, humans would kill them to extinction, regardless of the consequences.
It is actually the other way around, many fly species are pests to humans costing them a lot of money. Flies are also the greatest killer of humans and there have been massive efforts undertaken to get rid of e.g. mosquitoes.