Well, ideally nothing is parked in the street. Otherwise its usefulness as a street is severely diminished.

In my experience, in a crosswalk literally in the street. Although having a dock less bike take up car parking spots I’m trying to use would be infuriating.

What may be infuriating for you, could be delightful for 25 bike riders.

Except in most cases its a car full of frusturated people, and one inconsiderate cyclist. Its a problem on both sides. Being smug helps noone.

it not so much the street as it is the middle of the sidewalk.

Well the city should fine people who do this. Don't the bike share companies know who the last person was to park a bike?

Wouldn't the problem be that the bikes could be moved by people who want to get the last person in trouble?

Personal bikes tend to get locked to fixed objects. Anything that motivates users of dockless shared bikes to treat them more similar to personal bikes will be an improvement, in many ways.

The bigger question is how to generally proceed with making users responsible for anything, without driving them away?

This, I highly doubt that the person who last used the bike (and derived the benefit) is the one who chucked it into the river.

The bike company is ultimately the one responsible for the bike.