[that_guy_iain]

> This is a misleading and dangerous service.

How is it dangerous? What danger would the user be in?

[mmcallister]

Building software that relies on an incorrect assumption sounds dangerous to me.

There's plenty of critical software in the world, some of which has real world consequences if there are bugs.

[HWR_14]

The user could create software that thinks a resource is locked under their exclusive control, but is not. This can lead to data corruption, which could lead to even errors propagating throughout a system.