In some areas in the UK, e-bike companies use a "free-float method" allowing riders to park anywhere - provided the bikes are not obstructing pavements. But some critics argue that users are abusing guidelines and abandoning the vehicles in precarious places.
https://news.sky.com/story/littered-e-bikes-are-not-just-annoying-for-people-with-mobility-issues-theyre-a-serious-problem-13283361