"people[developers] still often go for Approach A[full ui blocking modal spinners] since it seems easier to build" The small features in this article aren't th

"people[developers] still often go for Approach A[full ui blocking modal spinners] since it seems easier to build" The small features in this article aren't that hard to build. Most importantly they communicate empathy to the user (like an occasional glance from the staff at a restaurant that knows you have been waiting too long). It also builds a company culture that latency is a meaningful pain point. Too often the server-side team is separated from this pain since they use a local dev server with no load.