The article brings that up. It's a worthwhile read if you want to know more. Presumably no Olympian had any meaningful results because, to paraphrase the Olympic athlete quoted, if this gave anyone an edge then everyone would be using it. The original experiment happened over a decade ago and the journalist who went through it is being interviewed. I believe the current application of this technology is not being used to help people learn skills.

I tried it for skiing, had a couple of sessions where I seemed to learn and apply advanced concepts faster. But it was inconsistent, hard to keep the pads moist and in the right position. I only ever tried it before my sessions, impractical to use it during.

I wonder if it helps me retain stuff like documentation / code. Maybe it'll help people going through med school?

People have experimented on themselves and found it to support that