I think trouble-with-paper is not a useful tag. I suggest that we remove it (by merging with tag-removed).
Tags for non soft questions are mainly used for subject classification and for keywords (there are some exceptions like reference-request). I think that we should keep the number of these (reference-request like) tags as small as possible. And the burden is on the creator of the tag to justify the usefulness of these tags.
The main use of tags is categorizing question to make it easier to search/ignore/... questions. This tag doesn't express much about the content of the question. It seems very unlikely to me that anyone would use the
trouble-with-paper tag. It almost feels like tagging a question with a