Everyone is on their own journey and there are so many reasons a person might think a particular way.
The comment you are responding to is just trying to explain their own situation and say the person who wrote the article might want to investigate a similar experience compared to their own. I read the article as one where someone is exploring and ADHD is would be exploration. I would specify that ADHD inattentive type is the one that it reads most like to me.
I don't see why you'd want to knock someone's choice of treatment for a particular condition. You might not see a need for a particular treatment option, but many folks get relief from anxiety or other things such as RSD while being medicated for ADHD. They can make their own decisions.