It's only upside down when you're using it in a mode such that all screen content needs to be flipped vertically. If you use it as a laptop, the text appears right side up to the user. If you use it as a tablet, the text could be in any of 4 rotations relative to the user.
It's upside down when you invert the computer from conventional laptop orientation to the nonsense tent orientation that they love to use in convertible ads.