Huh. I'm not sure what definition of "invisible" this person is using but it's not the same as mine - people reliably flag me as neurodivergent when, eg, they see/hear my reaction to bright lights and loud noises. And painful lights and noises are EVERYWHERE so I do this multiple times a day.

People definitely also notice my writing/language/speech issues and my forgetfulness. And while I have my moods under better control now, I was DEFINITELY read as A Mentally Ill (TM) as a kid/teen.