requirement was the product of legislative compromise and therefore implies congressional rejection of the idea. Cf. Ind. Prot. & Advocacy Servs. v. Ind. Family & Soc. Servs. Admin., 603 F.3d 365, 384-85 (7th Cir. 2010) (en banc) (Posner, J., concurring) (inferring a private right of action from statutory silence in a case