Like, if stairsteps were each six feet tall, no one would climb them. If doors were 500lbs heavy, or only 2 feet tall, no one would go through them. If daily workdays were 20 hours long, no one would be able to work them. If conversations had to be held in iambic pentameter, no one would find talking so easy. If text was all 2pt size, no one would easily read. Etc, etc, etc. But society adjusts all these things to meet limits. They just forget to account for everyone, and that is ableism.
That’s actually a great way of explaining it, I’m probably going to steal that