I work very hard to avoid working with people who think like this.
Have the guts to stand up and own something.
Have the guts to stand up and own something.
Agreement is often critical: https://sharedphysics.com/everything-is-important/
On top of that, agreement isn't always necessary. You can disagree with coworkers and still execute just fine.
In the latter case, at least in my experience, it’s because the ‘thing’ is actually composed of several things that clearly have different owners but the link was lost in the composition.
The furthest I’d go with pat advice is own finding the owner. If it’s truly homeless then feel free to take it in as a rescue. If it’s a rat king, grab your side cutters and get to work.