[mnfx]

They already had regulations that meant that they had to be parked in specific areas or fine the person who left it somewhere they shouldn't.

But that didn't stop someone uninvolved in renting one walking by, picking one up and moving it.

Nothing stopped people just riding along the paths at top speed hitting people or randomly darting into traffic. Soon as you entered any pedestrian square you had to be on the constant lookout for being smashed into by a scooter. Anything near the Louvre was particularly bad.