Based on this comment https://gamedev.net/forums/topic/714016-spam-problem/5455644/ “The reporting system doesn't pass along reports on blogs, portfolios, projects, or tutorials” which I guess may be why the couple of spam reports I've submitted haven't been looked at.
In any case, both comments came from user dambhers on a couple of very old blog posts:
- https://gamedev.net/blogs/entry/1339492-kids-just-say-no-to-bilinear-filtering/2270991/
- https://gamedev.net/blogs/entry/1135727-text-editing-woes/2270998/