Something I hate about the whole "it's a fad to diagnose yourself with ADHD/autism online. People need to stop pathologizing stuff" is that getting insight on how your brain works is power.
I consider ADHD to be a disability (it is for me!), but knowing I have ADHD doesn't make me go "woe is me." No, knowing I have ADHD tells me there are real reasons why I struggle in certain areas and changing my perspective on what those struggles are and how they manifest changes... everything.