I think you misunderstand me by a large margin.
I'm not saying we shouldn't use AIs. We should, however, think about how we use them.
To build on your example, what are the dangers of having a personal secretary on the payroll of anyone but you?
What I am expecting from this is a super devious filter bubble - because that's how you make money. Google's old slogan "Don't be evil" is long gone. "For a greater good" might be more on point.