But there does seem to be an increase in teenage kids & young adults identifying as autistic whether diagnosed or not.
I don't really know where this stems from but my teenage DD talks about this a lot. There are a lot of tik toks / you tube/ instagram accounts of teenagers who are adopting an autistic identity. Now, undoubtedly some of them will be ND but it's a bit like a trans identity it marks a person out, in the mindset of some teens as being a bit edgy or different. No one can really question a person who says that they are autistic, they may well be correctly diagnosed, it's not like you can tell by looking at someone. But the number of accounts with #lgbtqia and #actuallyautistic (for exampe) or #adhd is definitely on the increase.
I find it quite fascinating as my two teenagers treat their autism very differently. My son who had major struggles when he was younger doesn't want to be seen as autistic, he doesn't tell anyone and masks like a pro when out. He has even spoken to CAMHS about revisiting his diagnosis at some point in the future which is entirely his choice. I don't think that the outcome will be different but who am I to say. The difference between him now and at the point of his diagnosis is that he/ we know the triggers for when it is too much and we have largely built our existence around them. He also is studying A Levels and he is able to channel one of his special interests through focusing and doing amazingly well in this particular subject. He takes seratonin to manage the level of anxiety that every day existence, that his neurodiversity, has given him. When he comes off these he can't manage so it is agreed that it is likely that he will need this lifelong, but especially on transitions and times of change. No one outside knows this they see a bright, slightly socially awkward teenager.
My daughter who is 14 very much owns her autism. She has very many more sensory issues and quirks/ ticks than her brother. For her being autistic a real part of her identity. The tik toks and instagram accounts have been helpful to her because her NT peers have more understanding etc. I think she is happier than he is.
This is all a bit of babble and purely my own perspective. It is VERY positive that autism is talked about more. The only downside of the social media is generally it talks about the quirks and identity but doesn't focus on the very real struggles as much which I think plays into the hands of those who say it is a personality type rather than a neurological difference which can, at times and for some always, be disabling.
And I do think that there is a very big difference in neurodiversity between individuals. My two kids are both autistic but are entirely different from each other both in personality and needs. I feel fortunate that when their needs are managed, which takes a mammoth and often unseen effort by them and the strategies we jointly put in place to enable it, they can live very happy and successful lives and I am very well aware that this is not the case for some autistic people.