I'm sure their community team has to deal with a LOT of shit on a daily basis, even after automated checks and filtering.
I would guess part of it is that you can't control the mime type of uploaded files.
or compressed files with passwords
There was a project called "Dick ML" though, which I believe was used by some idiots to spam Zed Shaw with invitations.
Probably because you have to be somewhat familiar with git to be able to upload stuff to it, there is a barrier of entry.
Not really. Click on Add File -> Upload files on top of the repository view then "drag files [there] to add them to your repository".
"Your repository" being the problem. It's not anonymous, and you don't necessarily want coworkers + world to know about your personal interpretation of Rule 34.
It's just linked to an email. If it's anonymous enough for forum users, it's anonymous enough for people to use it.
Well, there are a lots of porn related projects. One of them being Deepfake
I've stumbled upon some, FWIW–I think I was searching for file carvers or something like that.