The fairest and most effective counterclaim to the argument for banning plastic water bottles is: "There are places where tap water is not drinkable, and in these places, bottled water is distributed in emergency situations and is a lifesaver."
This counterclaim acknowledges the necessity of bottled water in certain situations, highlighting that a complete ban may not take into account the needs of individuals in areas where safe drinking water is not available. It provides a practical perspective on the essential role of bottled water in emergencies while also addressing the health and safety implications of a ban.