Ysarex wrote:
"Does a High ISO Actually Decrease Noise?
Yes, technically, on many cameras, a higher ISO can decrease noise in the sense that the electronics — especially the analog amplifier — go through different processes that often contribute lower read noise to your photo. In other words, the electronics at high ISO settings may add less read noise to your images, obviously depending upon the camera."
I doubt that you understand that article from which you cherry picked a single statement, out of context. You overlooked the qualifications "on many cameras" and "depending upon the camera".
Those are not blanket statements that apply to all cameras. He did not cite a single example where they do and
There are a lot of us here who are a lot smarter and better educated than you are. We are better qualified to decide whether you know what you are talking about. You don't. You are in over your head.