this is why they teach people how to shepardize cases the first week in law school https://twitter.com/seanhecht/status/1329945145559552000
("Shepardize" is a term that refers to Shepard's Citations, a reference source first established in 1873 that enables lawyers to find out if the precedents they are citing have been overruled, abrogated, reversed, or questioned.
https://en.m.wikipedia.org/wiki/Shepard%27s_Citations)
https://en.m.wikipedia.org/wiki/Shepard%27s_Citations)
(Shepard's used to be these massive small print volumes of citations but now you just punch the citation for the case you want to check into a your browser. It also has a competitor from West Publishing that started in the 1970s or so, and it is online as well.)