So, some context: my first full-time job out of college was on an R&D team working to create things to help sick and disabled people live their lives more fully. (I'm being deliberately vague here for anonymity, because we were one of five companies that worked on this specific technology and otherwise it's way too easy for someone to recognize me.)
So anyway, the company sends a few of us to a conference about this accessibility thing. Predictably, everyone at this conference is an able-bodied, healthy(ish) scientist or advocate.
At one point, this late middle aged white lady dressed entirely in salmon goes up to present her piece, and it's basically "why are we worried about [safety thing that the field has been struggling with for two decades], a healthy adult person doesn't need to worry about it if that safety feature isn't there!"
Me, whispering: "She does realize that this technology is for people with [list of diseases/disabilities] who can't survive the same things an average person can?"
My equally incredulous boss, also whispering: "Uh, no, I don't think she does..."