Ugh, why claim responsibility. They should have just scraped as much as they could for as long as they could and then just dump to the internet and every news organization.
But never claim responsibility. Be a dystopia anti-hero - never tell just get the work done to bring down fascists.
Project 2025 is very talked about and public irl. You can find so much info about it online and while there is certainly much going on behind the scenes the stated goals of the heritage foundation are publicly available.
Its mostly allowed to continue to exist because both sides of the american political party benefit from it.