A bunch of new forum posts in the Using Django section end up with requests (or moderator edits) to reformat code using backticks.
Would it maybe be helpful to install Discourse’s Unformatted Code Detector component? Unformatted Code Detector - Theme component - Discourse Meta
(fwiw, neither of the discobot tutorials cover fenced code blocks, or even mention code. They do teach how to insert a picture, which is another popular way to mis-post code. I couldn’t find anything to detect that.)