My late grandma had Alzheimer's and the neurologists were SO KIND and sweet and patient with her
it made me realize that they knew how fragile the mind was, and how kindness helps to keep someone together
it actually broke my heart to think about all the times I'd been unkind; that my unkindness was actually killing the other person. (This is also what Jesus says in the Bible, that hatred in the heart is same as murder)
Bad designs are the same as mean words
Being confused by an interface? Not being able to figure out how to solve the problem?
This is aggression to the user
Think of how much more frustrating this is to someone who is older, or has some kind of sensory disability