Do you need to brew LoDO to make good beer? Of course not.
Objectively, LoDO brewing will make a different beer. Subjectively, some might not notice it, or maybe won't prefer it, some might love it to the point of never turning back to non-LoDO.
What the evidence of LoDO science suggests is that it does work and it does make different beer. What it does not say is that you will for sure notice that difference, or that you will for sure love it. Only you can determine that.
Edit: for your reading pleasure, the infamous Low Oxygen Sensory Analysis including multiple triangle tests
Objectively, LoDO brewing will make a different beer. Subjectively, some might not notice it, or maybe won't prefer it, some might love it to the point of never turning back to non-LoDO.
What the evidence of LoDO science suggests is that it does work and it does make different beer. What it does not say is that you will for sure notice that difference, or that you will for sure love it. Only you can determine that.
Edit: for your reading pleasure, the infamous Low Oxygen Sensory Analysis including multiple triangle tests