Biodynamics is complete hogwash. We do need labels for sustainable farming, but we need them to be based on science, not popular beliefs about moon phases and such things.
Agreed. Demeter is based on highly esoteric principles. Plus they've had an "interesting" relationship with the Nazi regime and obviously repeated their non-scientific weirdo theories in the Covid pandemic[0]. Personally, I only buy if I cannot avoid it.
[0] https://de.wikipedia.org/wiki/Demeter_(Deutschland)