Not all of them are hairy dicks.
As we discussed in September, despite Nintendo's decision to kill the Miiverse — an online community for the Wii U and 3DS — late last year, some fans and engineers wanted to save everything that had been posted to the service, so that it wasn't lost to the ether once Nintendo pulled the plug.
As for how much stuff made it into the archive, well:
Okay, everyone, I have now launched https://t.co/K3Hy7fLwKp, your guide into the Miiverse Archives!
8,278,693 User Profiles
— Drastic "MAGfest" Actions (@drasticactionSA) January 3, 2018
If you want to have a search through, you can access the archives here.