Software Engineer here - also curious. Let me see if my reply can perform a little necromancy :D

That being said, the latter description, people with autism, is widely considered to be more politically correct.

I'd heard (from an autistic person) that it's generally the other way around.

I may be mis-remembering some of what he said, but he seemed to indicate "with" is usually used a bit more for temporary, or maybe treatable conditions. He described it in terms of his identity, he is autistic.

...

Just spent 10 minutes thinking about all of the above and then got to your "/s". Feeling like I took a lot of the above too literally... Ya got me!