"Disingenuous" implies that someone is being deceptive, which breaks the HN guideline against assuming good faith: https://news.ycombinator.com/newsguidelines.html. The rest of your comment would be just fine without that bit.
I have this crazy idea to build a pull requests system for HN comments. People could suggest edits that way without cluttering the threads. It's either a terrible idea or a great one.