Since this site is mostly about Mandarin, I'd say to remove the tag from questions about Mandarin only and use it only when the question is about comparisons with other dialects, or similar questions.
What do the community thinks about this? I'll be looking forward to hear from everyone of you. :)
官话
, while Chinese language encompasses both the oral and written form华文+华语
. Therefore, I don't agree with your suggestion.