alt Hacker NewsI couldn't disagree more.
Every button has two jobs. One is to accurately convey what it will do. Two is to then do it.
Several of us can neither remember what your dynamic, curvy, arrowed, action lines do, nor can we extrapolate from them. They are an exercise in frustration. The nod to situational disability is appreciated, but most would have been useless without text descriptions.
You are talking about the label on the button. The button does one thing. The label does one thing. You put the two together and you have UX.