Some things are pretty obvious, and some things aren't. I think that is the case with Gari.
As virtually all Japanese know why they eat Gari because they grew up eating it with their Sushi, while in the Western world, that Gari was virtually unknown until the introduction of Sushi.
So, why do we eat Gari, Pickled Ginger with Sushi? Is that for the taste or are there any other reasons?
Here is why.