It might help with credibility and adoption rates to make it explicit on the site that your editors aren't going to work on material that looks like it's being used, or could be used, for plagiarism or related "no outside help" rules.
For non-STEM writing - your typical business and humanities-oriented material - you'd be surprised how frequently this issue comes up with instructors, teaching assistants, etc.
For non-STEM writing - your typical business and humanities-oriented material - you'd be surprised how frequently this issue comes up with instructors, teaching assistants, etc.