[fratlas]

Sexism: Siri's secretary-like, menial role is still marketed with a woman's voice.

[sago]

An observation, not a disagreement:

While P.A.s are stereotypically female in culture (e.g. Most often in films, novels, TV shows). 'High-value' assistants in several cultural contexts are usually portrayed as male: maitre d's, butlers, concierges.