Or he tweeted 'her' to compare his product with the movie AI's conversational abilities. It just depends on how one subjectively interprets a single syllable.
There are any number of human-sounding movie AI's, but apparently only one whose actor has specifically and repeatedly rejected this association.
Does he keep getting into ethical hot water because he's a reckless fool, or because he doesn't really care about ethics at all, despite all the theatre?
Of the films I've seen anyway.