The TSA is something that shouldn’t exist in its current form. They very often fail their audit checks and normalize invading your privacy to an extreme degree like body scanners and pat downs. If water bottles are considered potentially explosive then why dump them on a bin next to a line of people where they can go off? This is low grade security theater that inconveniences passengers at best.
The main reason that rule still exists is to sell overpriced water. Otherwise they could just ask you to drink some of it to prove it’s water.
you are allowed to take empty bottles with you, just saying
Some airports have no place to refill and have only hot water in the toilet sinks. It’s inhumane.
Which airport? I have never ever experienced this.
I can’t remember which one it was. Maybe Munich?
Munich has refilling stations after security