By Charles McGonigal Andreas Lubitz was medically unfit to work when he apparently crashed the Germanwings flight last Tuesday, according to a doctor’s note found in Lubitz’ apartment. Why? Nobody knows. Germanwings, as his employer, would not know because German law allows these declarations to be written without a diagnosis or reason, to protect the patient’s privacy. I say “would not know,” because Germanwings appears not to have known about the declaration. The doctor cannot even share the …