Oh those! To me a scooter is a thing you sit on, pull the handlebar and get to 45km/h (30mi/h), and typically using gasoline (though electric ones are becoming more of a thing). In dutch we call the other things "step" because you, y'know, step to go forwards.
These electric stepless steps, to me, seem mostly dangerous depending on the driver. They're in a number of cities here now and I almost killed one of them because they were coming out from behind a tree at full speed, and I was driving less even than the speed limit (50km/h) because I was approaching a crossing, but I didn't see nobody and this person just flashed by right in front of me. They could have seen me coming but I couldn't really have seen them, so that's just stupidity on their part (even if likely I'd have been responsible because they went straight, if on the sidewalk because the actual street was closed for construction, and I was turning off and so should give right of way also to pedestrians). Also on dashcam videos online you see similar stupidity, i.e. them driving on a part of the road where cars are also allowed, not considering other vehicles at all, but it's outliers by and large. If you're a responsible 'step' scooter driver, you'll be fine.