This is what drafts for. It's either a very rough draft with some errors and room for improvement, or a very bad draft sitting on the wrong foundation.

Either way, it's an effort, and at least the authors will learn to not to do.

No, it’s definitely not what drafts are for. Fundamental issues of the nature pointed out by the parent comment are way too serious to make it into a draft. Drafts are for minor fixes and changes, as per the usual meaning of the word draft.