When should we use genre tags?
How should I tag on gaming SE? (Are genre tags used?)
I incorrectly answered a question about doomrl. The original author had tagged it with 'roguelikes', but an editor removed that tag. Had that tag existed, it would have provided the context needed to avoid providing a bad answer.
I submitted a retag on it that appears to have been shot down in peer review; is there a reason that roguelikes is a bad tag for this question? Am I misunderstanding the purpose of the tag?