Mostly ecommerce and pricing data. I work for marketplaces, brands, retail stores and even our own saas competitors. We match the EAN (gtin) to the correct SKU within seconds (Google Shopping, Amazon, etc).
Part of it is our own trained ML models.
"The gangsters do it and get away with it so any random person should get to as well"? Not a particularly defensible position if that's an accurate paraphrase.