>They both failed their duty in nearly identical ways

Once they showed up in court, one of them was unable to explain how to interpret a very basic "you should know this to practice law" case citation ("F.3d"[1]). Not only did they not "apply independent professional analysis" it seems they were woefully unprepared to even produce such a thing.

[1]: https://youtu.be/oqSYljRYDEM?t=1526