The difference there is WOC is where the water that's already there is being recycled, it's not using any additional water. Compare that to where water is soaking into the ground, not recyclable or reusable because it's in the dirt. Filling stores with plastic toys and paper straws doesn't have to do with water conservation in a drought-ridden state so that example is pointless. Also, reusable straws are cheap, easy to carry, and allowed in the parks, so you're not forced to drink from soggy paper straws. That's your choice not to do the quick, easy, and cheap solution.