The line between needing support on what to do next with a build/model/etc and showing off is very blurry so this is not moderated against.
Note that it says “the Cool Creations category (…) should be used”, not that people should actually make a new topic there. If you go and read the About post for Cool Creations:
It says:
So for posts with little textual content / no in-depth request for feedback, the WAYWOC topic should be used.