This is an excellent guide to writing in plain English.

https://evolvingweb.com/blog/plain-language-guide-how-write-inclusive-digital-content-2024

"49% of adults in Canada have below high-school literacy levels, and 17% are unable to follow written instructions or read maps."

"Half adults in the U.S. struggle to read a book written for eighth-graders."

If your first instinct is 'why can't people read?' you are elitist and not inclusive. There are plenty of immigrants and others. As web professionals it should be your job to include *everyone*

#a11y