I dispute this is an element of design. Water is found in substantial quantity on the earth, but not on Mercury. Design? No, Mercury's so hot water would have ben lost to space eons ago.
Do you believe pseudogenes to be altogether void of any characteristsics that might apply to design?
Their existence certainly is inconsistent with design. Their structure is largely explained by random point mutations acting on a retrotransposed gene. If one insisted the original gene were designed, whic hI don't believe, then the pseudogene would carry whatever residual evidence of design that mutation had not destroyed. But pseudogenes qua pseudogenes are antithetical to the idea of design; they're apparentluy functionless, the result of an accident, and corrupted by further random genetic drift.
As far as I can tell, you've only stated the obvious, namely that water mantains consistency within it's known environment. Even where it is found in different states it retains its molecular composition.
I would maintain there are specific reasons - in fact you've pointed at least one of them out - why water is not found throughout the universe. You've just given another example of intelligent design.
By this time you are probably thinking that it is like grasping at straws to pin me down with an example where the universe exibits, or is controlled by only random events. I have yet to apprehend by my senses anything that does not demonstrate at least some degree or element of design, and even in those cases where corruption or non-design are apparent, they need not be designated as beyond reason, impossible to explain, or unworthy of classroom discussion.
Please allow me to throw another question at you. What is the relationship between design and intelligence?