I have never heard of that product, but can offer a few comments.
1) Any product with that much hype probably won't live up to them.
2) Controlling stomata??? Why would we want to do that, and what is it supposed to accomplish? Considering how orchids have evolved to have a minimal number of stomata compared to most terrestrial plants, I would not expect much anyway.
That said, there are potential benefits to some of the ingredients you mentioned - humates and auxins especially - but foliar treatment is typically ineffective in orchids.
Lastly, while such supplements can be beneficial, for the most part, if you're doing a good job growing, they add little, if anything.
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