I am glad you pointed this out, your premise is a quintessential example of "UX is not UI." It's not the visual or web designers primary job to A/B test or ste

I am glad you pointed this out, your premise is a quintessential example of "UX is not UI." It's not the visual or web designers primary job to A/B test or step into the users shoes on every detail, that's what a responsible and valuable UX person should be doing (note I didn't say UX designer).