My reaction would be “I guess they were well-informed about their choices.”

Most of Asimov’s robot stories were about how those laws led to unintended (and mostly unwanted) consequences. So while I think it’s good to keep the three laws in mind, a useful set of restrictions is going to be more complicated than that.

I’ve read it’s because singing and speaking are handled by different parts of the brain. Accents are regional, inside your head as well.