That's just a walk-on-water letter.
If anyone told me they could unequivocally define the exact point at which right and wrong diverge, I'd think they were either a liar or could walk on water.
For example, Luigi is the high-jumper and can walk on water for a few moments, Yoshi can nab enemies with his tongue, etc. It's entertaining to explore with the characters' different abilities.
Spiderman swimwear will help you swim faster and farther, help you climb up the side of tall ships without a ladder, and even give you the ability to walk on water!