Hi Mike,
Just like "Qi" in the Chinese medicine, something which the modern medicine is unable to measure and quantify. Likewise imho, matured water is something narrative, describing the ability of the water ( actually its the overall bio-logical system) to sustain the overall livestocks within the enclosed tank system, providing a thriving and healthy environment.
Like you said, there's no right and wrong. It depends on which way you want to look at and attempt to explain it
So any one who ask me the same question if there is such thing call matured water, I would still say...YES.
Cheers !