I wasn't able to find guidelines as to how generally tagging is done on SO (and possibly other SE sites).
Not that we want to have a long list of rules or rule-likes but something tags such as
django are unnecessary and sometimes may cause non-ideal behavior.
Take for example users who have an interest in the
python but have no interest in
django. Tagging a question both means such users will also be distracted to such a question via the highlighting system. But if one follows a principle that since
python doesn't mean they need to tag
In other words,
django being a subset (in terms of interest, so-to-say) of
python, people interested in
python are not necessarily interested in