Discourse about "is it ableist to expect people to do [thing]" gets boring once you adopt the opinion that moralizing people's ability to do things, outside of any context or other considerations, is inherently ableist. Where and when are what matter. It's ableist to expect all adults to know how to drive, but it's not ableist to expect all schoolbus drivers to know how to drive.
Discourse about ableism is popular on social media because social media is a machine designed to pull together people from different contexts, all of whom believe their context is universal