Sounds like they either used a boilerplate EULA or hired a lawyer who is unaware of the requirements imposed by the GPL. If it’s the latter then I hope they can get their money back.
EDIT: yeah, this looks like an unmodified GPL to me: https://github.com/layground/pockaw/blob/master/LICENSE.md
Your link is borked. Here’s a fixed version: https://www.c-span.org/program/senate-committee/meta-whistleblower-testifies-on-facebook-practices/658354