It happens all of the time: You've got arguments A, B, and C that you want to fit in your brief, but you don't have the space to address them all.
What to do? Cut the weaker arguments?
For most attorneys, the answer is: of course not! They move the lesser argument to a footnote in a hail-mary attempt to win if the better arguments fail.
Does it work? Not usually. Here in D. Del., judges have suggested that parties waive arguments when they present them only in cursory footnotes, and Judge Noreika recently noted that "courts traditionally do not consider arguments presented entirely in footnotes." Nw. Univ. v. Universal Robots A/S, C.A. No. …