I am interested in getting my private pilot's license and I _should_ be able to get a Class 3 Medical from what I've seen, but that will be a bit away so I have time.
What I've seen and heard from others is to just lie. Seems like many have gotten to the point of realizing trying to do it right is only going to put you in months of bureaucracy and spend thousands proving your viability.
The FAA needs to figure out how to either commission studies to reduce their list of disqualifications or streamline the process of appealing your medical certification.
ADHD does not fall under CACI, and will trigger a deferral to the FAA. The FAA will then refer the applicant to a HIMS AME. (Human Intervention Motivation Study.) HIMS is really about substance abuse, not ADHD, but it's doing double-duty now for things like ADHD and the four conditionally approvable SSRIs. ADHD can also trigger expensive neurocognitive tests ("CogScreen"). So ADHD really is in a separate class of conditions when it comes to getting a medical certificate.
Current use of stimulants is a denial no matter what.
As a flight instructor I think this is completely bonkers. The nature of ADHD is such that if it keeps a person from being able to fly safely, that will show up during training as a failure to meet performance standards. It's completely different from something like a heart condition, where a pilot will fly just fine until suddenly their heart stops. I've taught lots of folks with ADHD diagnoses; almost all of them did great, and the few that didn't were very obviously not able to handle the airplane.
And yes, I do love acronyms in acronyms. My first job was in the government, the US gov't truly loves their acronyms.
¹ As much as I want to.