Nonsense. It's a terrific, long overdue, and unexpected article, and if you went to med school should be embarrassed attacking it with wholesale condemnation. Your peers, if you are a medical doctor, know better.
A late friend was a very young aero mechanic at the Alameda Naval Air Station in 1942, said Pan Am's chief of maintenance swore by Marvel, ordered it by the 55-gallon drum. Any trouble with those big Pratt & Whitney Cyclones over the Pacific meant a long, wet walk home.
Red Line Lead Substitute is a smart alternative, using benign sodium in place of the vile neurotoxin of tetraethyl lead.