Readers reply: Should we be polite to voice assistants and AIs?

The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

• This week's question: what would the world look like if people didn't make mistakes?

I always say please and thank you to my Alexa. Why is this? I am sure it doesn't care. Is it worth being polite to artificial assistants? Alison Williams, Toronto

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