What? Water is water and will always behave a certain way...even muddy water has reflections.

Your statement is invalid.

That being said, I do hope the gameplay is excellent and I hope they do keep focusing on that. However, it's all part of the experience. Gameplay can be the best ever but certain graphical elements will diminish the feel just the same as shitty controls might diminish a game's experience, or shitty audio (MW2).