Earlier quoted context omitted.
atomoxetine, while not a direct stimulant, is a norepinepherine reuptake inhibitor. That is, it makes the speed you already have stay around longer. And Guanfacine is certainly a stimulant. It is an agonist of the α2A-adrenergic receptor. https://en.wikipedia.org/wiki/Guanfacine
Guanfacine is not a stimulant. The Wikipedia page doesn't say it explicitly but hints at that a number of times. It's spelled out here though https://www.nps.org.au/radar/articles/guanfacine-intuniv-for... DEA also doesn't care and https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1c4... shows no potential for abuse and lethargy as common side effect. Also from experience - it doesn't feel even close to stimul…
The drug antagonizes the adrenaline receptors. Adrenaline stimulates people.
They are selling it as a non-stimulant drug because people are stupid.