impact plainly manifested by the number of certifications overturned in its wake. See, e.g., EQT Prod. Co. v. Adair, 764 F.3d 347 (4th Cir. 2014); Rodriguez v. Nat'l City Bank, 726 F.3d 372, 376 (3d Cir. 2013); M.D. ex rel. Stukenberg v. Perry, 675 F.3d 832, 839, 841-44 (5th Cir. 2012); Ellis v. Costco Wholesale Corp., 65