LOL . . . OK, whatever. I'm going on 19 years in and O-5 with a childhood diagnosis of inattentive ADHD. All I needed to be back in the day was off meds in high school when I joined up, and NAMI waived me. It is a thing, but in my personal experience, it doesn't necessarily have to be a deal breaker for service, so drop the snark. Maybe the more severe cases are a problem, but not all.
The biggest problem folks will find in the cockpit is that "inattentive" is a misnomer. What actually happens is "channelized attention." Think tuning the presets on a radio. Your brain wants to hyper-focus on one thing at a time, and it takes mental effort to train yourself to keep your scan moving, so to speak. But it's doable. I've also read some stuff online, but never heard from a doc, that it also may correlate with folks whose emotions tend to hit them harder for good and bad. Not necessarily pathologically, but enough that the highs are higher, and the lows kick you in the nuts even more. Which you get plenty of both on cruise, but again. Know thyself and know thy enemy, and you need not fear a hundred battles.