These are the same types that drive alone in a moving car, with the windows up, the AC on and are still wearing their masks.
If you’re in an area dependent on city water, and it goes down, or becomes polluted because the system has gone down, you need to have bottled water. Also, if you want to flee, you need a couple of flats of water in your trunk...
If you live where there are fires, earth quakes and other disasters, bottled water is handy when they shut down the water purification stations.