Ah yes, "it's so obvious no one sees it but me". Until you show people your work, and have real experts examining the results, I'm going to remain skeptical and assume you have LLMs talking nonsense to each each other.
I've created a version of one of the resume GPTs that analyses my resume's fit to a position when fed the job description along with a lookup of said company. I then have a streamlined manner in which it points out what needs to be further highlighted or omitted in my resume. It then helps me craft a cover letter based on a template I put together. Should I stop using it just because I can't feed it 50 job roles and have it automatically select which ones to apply to and then create all necessary changes to documents and then apply?