There are many I just decided to pick from the first page, so my question remain is cryptocurrency discussion that is related to our own nation not meant to be on the main Nigeria local board.
Ignore the titles and read the contents and you'll realized why they're moved to the P&S sub-board.
BIT-BENDER has already explained the fundamentals so I'll just quote it here.
It depends on how the post was made. If the post is about mainly government and government decisions then it will likely go towards the politics and society section.