The problem is, the argument you have presented appears to be your own. At least, you've never given any indication that any of it has been published in peer-reviewed journals or books. Neither the article nor this talk page is the place for original research. Saying "these sources aren't reliable because I can refute them" isn't the right way to approach the writing of an encyclopedia article. We're here to report what the published literature has to say about do-support. If you think you have a better analysis, you should be writing a doctoral dissertation, not an encyclopedia article.