Going to be devil's advocat here but there is a chance they where parked on their driveway on on the footpath blocking access for those who use mobility scooters
They have them here in Australia in my local town and I constantly see then lined up right against people's fences or on pathways blocking access for those who use mobility scooters or people who have mobility issues and find it hard to get around them
And these are the kind of scooters that have the occasional beep that annoys you in the middle of the night if they are parked against your fence and your bedroom window is near the fence
I usually just toss them into the grass or the on street parking shoulder if I'm feeling extra salty. Saw one guy toss one on a public trash can once, funny in person.
But chucking them out of the solar system? I like that idea. Anyone got the phone number for NASA?
All the more reason these electric scooters should be parked on the street, ideally displacing car parking. If the law doesn't permit that, the law should change.
In a way, it would be a democratic way to show how public space should be allocated. If a place has more app-based electric scooters than cars parked beside the curb, then perhaps the local council should take the hint and build infrastructure to better accommodate those users. If there aren't many scooters, then no harm no foul.
Still doesn't justify it. I live in a city with rental scooters and ebikes everywhere. I'll move them out of the way if I encounter one in the way, but have never thrown one in a river no matter how annoying it is.