There must be at least one "good" pilot who appeared for and cleared the tests on behaf on the others. Now only if we could identify this one-eyed king amongst his not-so-bright colleagues...
I am sure there are some pilots with valid training and certs. but this thing casts a shadow on all of them. If I were running the airline I would sign up with one of the top training outfits in the US e.g. Fligh Safety or a major airlines' training facility and cycle all the pilots through there to wipe this thing clean ...