I doubt that's a very high percentage of users. Most people use it as a productivity-boosting tool like search engine.
It's a spectrum.
A lot of people who are unfamiliar with how the technology works talk about "my GPT". Google that phrase, or start watching for it to crop up in conversation.
On the other end of the spectrum, there are lots of tiny little pockets like this:
I think a bigger issue is people just believing all the stuff that AI tells them, without bothering to check it.