If you present to the ER with pain in the upper right abdomen, with blood test results showing raised liver enzymes, meeting some or most of the "fair/fat/female/fertile/forty" risk factor mnemonic criteria, and have imaging that doesn't completely rule out gallstones, then the overwhelming probability is that you're suffering from gallstones, and that's the diagnosis you'll be given.
Since the gold standard treatment for symptomatic gallstones is gallbladder removal, that's likely what will happen. Under normal circumstances, far more aggregate patient harm would be caused by trying to make the diagnosis more certain than is caused to the few patients who undergo surgery but don't actually have gallbladder disease.
Unfortunately, these aren't normal circumstances: it appears that the liver damage produced by this lentil product produces similar pain and blood test results to gallstones, the risk factors for gallstones are very common in the US population, and it's actually quite hard to completely rule out gallstones by imaging. So more patients than expected are currently being harmed with unnecessary surgery.
It's important that this be publicized, so that doctors making these diagnoses know that asking "did you eat anything from Daily Harvest" is now a diagnostically relevant question when considering upper abdomen pain, and the answer may change those prior probabilities drastically.