What is the leaching risk, though? If aluminum does get in your food, is it bad for you in a specific way, or is it more like iron?
Aluminum is generally thought to be benign by most authorities.
However, it is worth noting that humans were not exposed to aluminum in the environment until relatively recently, when we started extracting it from bauxite and melting it.
Like most metals, excess aluminum in your diet is almost certainly bad for you.
EFSA full review: animal studies show nervous-system effects from aluminum exposure. https://efsa.onlinelibrary.wiley.com/doi/pdf/10.2903/j.efsa....
CDC/ATSDR: oral risk levels are based on neurological effects seen in exposed animals. https://wwwn.cdc.gov/TSP/ToxProfiles/ToxProfiles.aspx?id=191...