https://www.fda.gov/food/environmental-contaminants-food/lead-food-foodwares-and-dietary-supplements#:~:text=While%20it%20is%20not%20possible,to%20chemical%20hazards%E2%80%94including%20lead.

"While it is not possible to prevent or remove lead entirely from foods, the levels in food can be reduced. By law, food manufacturers have a responsibility to implement controls as needed to significantly minimize or prevent exposure to chemical hazards—including lead."

This is why nearly everything in California has the Prop 65 warning on it. People are correct that having no lead would be preferable but its literally not possible currently.