ATP is an excellent place to flunk a check ride.
They started with a 90 day program. They were really hosing people then. Now it looks like it has doubled in length. Do tell.
ATP gets away with there garbage program because flying an airliner is an easy job backed up by a massive support system. It also has nothing to do with flying GA airplanes.
You can pump people through there ratings and the airline will teach them what they need to know.