Comment by regularfry
7 hours ago
Cynically, it's so they can sell you another bottle on the secure side. If they spend money to give themselves a working mechanism to distinguish water from not-water, they lose the ability to create retail demand.
7 hours ago
Cynically, it's so they can sell you another bottle on the secure side. If they spend money to give themselves a working mechanism to distinguish water from not-water, they lose the ability to create retail demand.
I understand the idea, but it's not completely true: I empty my bottle before the security check, and fill it after in a fountain.