I’m not sure the core thesis is correct for two reasons. I’ve been around the block a few times now and I don’t think I’ve ever lived in an era where people were like “the current state of design is awesome”. There are always rose-tinted think pieces with some dubious stats about how things are awesome in the past.

Secondly, idiomatic is good if it matches your mental model. However, what does idiomatic mean in the context of billions of people coming from various computing starting point. Just as a simple thought exercise, how do you design idiomatically for people who are most familiar with Windows era computers and people who start with touchscreens, both generations who are still alive today?