I agree, to an extent, but the bottles are a serious environmental concern.

The per unit cost of a cup of tap water approaches zero. In my area, it’s about €0.0005. This includes all the costs of extraction, purification, and distribution.

Yes, there is a water connection fee and usage rate but drinking should be offered gratis. Bring your own beaker.

why do people keep feeling the need to make this stupid distinction? we understand that things paid for by taxes aren't without cost