

The community allows for the accumulation of wealth by providing services, security and labor. Therefore the community is entitled to a portion of the accumulated wealth in form of taxation.
No man is an island, and nobody becomes a billionaire from their own labor. Community matters.

Also great for naming files in the filesystem, and thereby giving it both context and a sorting space.
I started doing so in my company on the shared network space years ago, and many colleagues have started using this as well.