I lost the right to gloat.... but I do also have the right to silently sit back twiddle my thumbs and menacingly laugh at how stupid people are for actually taking GameFAQs posts so seriously. If you take the "internet" part of this away, it's no different than an article in a magazine/newspaper.
"Nintendo has confirmed that a new Metroid game is in development! This comes from my son's friend at school, who announced the news during a science class, while waiting for his teacher to arrive"
The main difference being... there were no "son's friends", or "school", or "science class" involved, but you get the idea.
So look there. ALL 8 courses are now confirmed. Guess which 4 of them are. Baby Park, Neo Bowser City, a woods themed track and an underground train themed track (i.e. metro)?