I have seen RD-DE over the years because Diabetes T2. I could not lose a gram, and let me tell you why. The guidance I got was all wrong. It turns out, that for me to drop insulin sensitivity and lose weight (and diabetes meds) I need to eat a LCHF diet with IF. It turns out it is not CICO but hormonal ok.
It turns out this is very close to what happens with bariatric surgery without the knife (and I was already in a program ok.)
The guidelines were wrong. I am losing the weight (and the meds) by violating those guidelines. My trust to an RD-DE is very low at this point.
Oh, and I am hardly a unicorn.