the parent of your comment is referring to the phrase “urban air mobility market”, which the X-57 PR video demonstrates as being small aircraft, a few of which

the parent of your comment is referring to the phrase “urban air mobility market”, which the X-57 PR video demonstrates as being small aircraft, a few of which were VTOL craft -- not the X57 itself. The PR video was basically hinting at the X57 being a technology demonstrator which will showcase techs (like electric propulsion) that the so-called “urban air mobility market” can then take off running with.