Its a good article. Force touch is a good example of this. Adding a new action without any signifier for its availability or its purpose when we already have a baffling mix of durations and gestures. Madness. An innovation by a platform would be to invent a new way to aid discovery / learnability of a UI not just add a new input. For example gestures - there should be a system standard way to be told about the availa…
Steve Jobs was against hiding features in modes, which is why the iOS lacked any kind of context menu until version 3, and Apple mice lacked right click for a long time. Speaking of Apple's mice, they are some of the worst offenders in "looks good but don't try using it". There's the infamous hockey puck, and currently the Magic Mouse. I use one when I'm desperate, but usually give up when it magically gives me hand…
Are you thinking of "affordance"? https://en.wikipedia.org/wiki/Affordance