I get your point. But you have to accept that autism and the community around it is like a billion years younger than lgbtq. It’s a good idea to work out this stuff but it will take time.
Also, low and high functioning never had anything to do with being able to live alone. It was derogatory because it split people in two different boxes that had no meaning other than a crude division. It is a bad idea to label someone „low functioning“.
In any case, I‘d really like to not discuss these basics too much anymore because they have been discussed at length a thousand times already. I suggest you buy a book or read online to get these basics down.
Books I liked: Unmasking Autism by Devon Price, The complete guide on aspergers syndrome by tony attwood and my wife is currently reading a hidden force by ed thompson and one more that I cant find the name of. I hope this helps.