A few facts...
- Many crew fill their bottles from the gaps. Often using small squash jiggers to flavour it. They also serve it to passengers daily
- All BA aircraft water tanks are checked regularly, and records kept. If anything is found, action is taken (as we saw last year)
- Zero water is uplifted at ‘prohibited’ stations
- Some airlines fill jugs from the tanks and serve to pax with the drinks service
But go ahead, don’t let facts spoil a good rant.