Seven days isn't going to do anything. Reddit has years old Sharia Blue accounts.

A better idea is to make all new user posts only visible to seasoned users, effectively making old users low-tier mods.

If new users manage to get a certain number of points without getting deported then they can be full users. However, even this won't be enough to keep out all the government/NGO actors.

Also, let's put a much better indicator on new accounts. Like have the username in red or something.

Seven days isn't going to do anything. Reddit has years old Sharia Blue accounts.

A better idea is to make all new user posts only visible to seasoned users, effectively making old users low-tier mods.

If new users manage to get a certain number of points without getting deported then they can be full users. However, even this won't be enough to keep out all the government/NGO actors.