True, but these youth campaigns only started recently. I guarantee you that a rogaine advertisement from the 90s to the 2000s will feature middle aged actors and a narrator with a robust voice.
It was everyone I know in Indiana and South Carolina, so it appears to have been wide spread. Some were spared, but this was notably pre-COVID. I wouldn't be surprised if it isn't directly the chemical mentioned in this study, but a multifactor issue. My key point is that out hunch was "what could be leaking into the water or food supply to cause this?" I always leaned more toward the microplastic theory, but that brings us back to endocrine disruption yet again. As for hard evidence, I'm afraid my accounts are colloquial at the moment, but the increase of hairloss products aimed at young men (ie Keeps) should point a curious mind in the right direction.
I'm going off of what the cancer doc has told various family members, especially that they're hesitant to use hormone therapy for cancer patients due to the wide amount of negative consequences that come from getting your hormones out of whack.
I swear, everyone in my part of the US had massive hair shedding around 2018 or so (man and woman, young and old). We speculated at the time that maybe something in the water supply was causing everyone to lose hair in clumps, and by golly this appears to match with our pet theories.