I know, "if it has a label don't eat it," but, I have found these cracker replacement Flackers. They have purified Soy protein. Wouldn't that simply be protein (the amino acids) without the lecithins and other "inflammatory" items?
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Would Grok have even recognized them as food? If "no" or "probably not" is the answer, there's your answer.
Flackers have "Vegetable Protein from Soybeans" which is not specific enough to tell it's contents. I didn't see any reference to "purified soy protein" in relation to their product.
But with that said, "purified soy protein" still has many of the same issues as unprocessed soy such as, but not limited to, phytoestrogens.
See previous questions for more details regarding soy.
Processing into soy protein isolate ameliorates some of these problems but not all. Plus the processing methods leach aluminum into the final product and the high heat denatures much of the proteins, thereby making them unusable to the human body. And the spray drying process creates a large percentage of nitrites which are believed to be carcinogens.
Remember it's just a little fake cracker. Don't stress if it's the random treat. The Japanese have survived, fairly healthily, with fermented soy for centuries.
But I'd go for some tastier substitutes: PaleoHacks: Substitute for crackers?. My choice is red bell pepper or a dried meat.
I believe the soy protein itself is inflammatory. I basically avoid soy as much as I can, with the exception of wheat free tamari.