That's absolutely a symptom of an executive dysfunction disorder, which ADHD is.

How is this not an example of executive function deficit and the associated burnout?

That's a bit reductive. ADHD might explain parts of it, or it might not. The cause here is just assumed.

https://en.m.wikipedia.org/wiki/Executive_dysfunction

Reading that, it cerianly mentions ADHD a lot. Doesn't mean that's the only explanation.

Funnily enough, recent studies have shown that probably close to 85% of the population is adhd, it’s just most people have already created the coping mechanisms to destress from it.

Some people take meds, some people play video games and some people rewatch the office for the 40th time. All different ways to cope with issues.