It's possible that there's common manufacturing involved, either of an ingredient or the whole product. That's fairly common for this sort of rather generic product, and can lead to extremely broad recalls. A while back, almost all hummus in the UK and Ireland was recalled; turns out practically all manufacturers shared one company in the supply chain.
A lot of them were recalled for containing methanol, which could be a characteristic of the original bulk alcohol. I'd imagine most plants are not set up to do the necessary separation
