> It also fucks up the base point, we don't need water.

If you mean that as written, it is completely wrong.

If, however, you mean that we do not need to drink water, then it is not so wrong. It might be possible to get all the water you need by eating enough foods with high water content, such as cucumbers, tomatoes, and lettuce. I'm not sure how practical it would be to actually try to eliminate all water from drink and get it all from food.