That's not what happens though, lead poisoning in spices is ~always shady actors adding pigment that's lead-heavy to make the spice (for example, cinnamon, turmeric, ground ginger, paprika) appear more vibrant in color. The Indian government did a whole bunch of work to fight against this a few years back; ultimately it's suppliers trying to adulterate their product to save money and make it look better than it is. This should absolutely be a serious crime, on the level of intentionally shipping any other dangerous product: jail time for executives, huge financial penalties for companies.