It doesn't, but the community decided that it was valuable, so chose to fund it using taxes, collectively. If you make the case to your community for a communal

It doesn't, but the community decided that it was valuable, so chose to fund it using taxes, collectively. If you make the case to your community for a communal grocery store, it too can be funded with taxes. Be warned, it comes with its own set of problems that are hard to predict at the outset.