> "FWIW, accessibility seems hard." Exactly. Changing <div> to <button>, passing your website through an "accessibility validator" or adding an accessibility

> "FWIW, accessibility seems hard." Exactly. Changing <div> to <button>, passing your website through an "accessibility validator" or adding an accessibility toolbar don't guarantee your website is actually usable on a screen reader (as an example). Getting accessibility right takes non-trivial effort.