Earlier quoted context omitted.
Perfect example of the tragedy of the commons. If individuals don't create these balloon files then they won't be able to use the file server when they need it, yet by creating these balloon files the collective action depletes the shared resource of its main function.
If only there was some way to allocate resources based on their value to the user, like with prices or something.
You could make that so in this shared computing scenario, but our broader world is systemically rigged in favor of some people and against others. Capitalism depends on the un-levelness of the playing field for cheap labor.
i.e. while it can be useful if prices are attached to commodities (with caveats around externalities etc), it is not a good thing that prices are attached to humans, making some people's being and work less valued than others.