In the $942 million New Mexico v. Meta judgment, NCMEC testimony described an internal "adult classifier" whose errors were caught only through ex post, case-by-case review by law enforcement — not through any independent record of the determination itself.

Well over one hundred federal claims against Roblox are centralized in MDL No. 3166. The age-determination mechanism the claims depend on was not the same throughout the conduct period. Discovery can compel records — it cannot retroactively convert them into the independent, contemporaneous fixation they were never built to contain.