I think one way to help others about the tag ulog is to include links of Sir Terry's posts about ulog tag or share some points about the guidance on how to make a ulog on our ulog posts.
Regarding plagiarism & abused of the tag, there are ways we can do to report those, but of course they should be warned first we can leave some comments on the post regarding that matter, in case we know the authors, like Sir Terry said:

correct people who are seen to abuse it