From an ethical perspective, bees have a brain and nervous system, and have been shown to demonstrate emotions and even exhibit pessimism, which is a significant sign of intelligence.
In the commercial honey industry there are numerous unethical practices that are carried out on bees, including instrumental insemination, where typically between 8 to 12 drones are crushed to death and have their semen extracted from them. The queen bee is then restrained and has the semen injected inside of her.
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