I mean, if you wanted to be maximally confusing, or insist on pointing at what amounts to a pun, but the person you are responding to neither stepped in your joke nor is saying something unreasonable: most people would use the term "design" to mean "how it looks" not "how it works", and while the word can be used for both purposes, it robs us of an easy distinction. To draw an analogy: Apple is still great at making clothing that looks amazing and feels great to touch, but has become increasingly inept at making sure that clothing fits comfortably in different poses or even simply doesn't fall apart / tear at the slightest stress. Sure, these are both part of the "design" of the dress, but there is a reason why in engineering we don't assume a "designer" knows anything at all about how to make a keyboard that doesn't break.