"Voice recognition systems are sexist: they struggle to deal with female voices compared to male ones."
Others have alluded to it, but I'll just highlight this paragraph. Struggling to understand is not sexist. There is no prejudice or discrimination on the basis of gender. There is a difference in behaviour, but that's not the same thing.
All of which the article goes on the explain, so the only justification for that first paragraph is a "journalist" wanting to "sex up" the story or mislead the reader.
Biting the hand that feeds IT
