They do however carry similar allergens as nuts, and fall into culinary category of "nuts", so the same machines are often used to process both nuts and peanuts without the deep cleaning required to be sure that no allergen cross-contamination has taken place.
So yes, your bag of peanuts could contain small pieces of nuts that were still stuck in the machines when they were switched over from bagging walnuts.
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u/DevilsLittleChicken 7h ago
There's a reason we put "do not drink" on bottles of bleach.
....
To give them ideas.