Probably the cost of the medication. Generic Adderall for me is about $30/month

But the point was specifically to avoid medication

and toomuchtodo's response to your point was that for some people medication is needed.

Exercise, therapy, eating well, etc doesn't work for everyone. I've been in therapy most of my life. I still needed ADHD medications to do be able to do normal tasks even when I was also riding my bike well over 200 miles per week and eating well.

What’s wrong with medicine if it makes your life better?

nothing at all. I think I misunderstood