In some respect, i am not overly surprised. The raw ingredients used by each company is roughly the same, with perhaps slightly different ratios involved. If i were to expect any difference, it would perhaps be in the flower stage.
There has been huge grounds made in horticulture, with one area in biostimulants that interests me the most. I have discovered aspects where you can push a plant to its genetic potential. This i believe is the new foreground for horticulture advancements.