> Exactly. It does placate users with some indication of activity. [...] One thing it does do is confirm the change is in progress. A black screen is also a s

> Exactly. It does placate users with some indication of activity. [...] One thing it does do is confirm the change is in progress. A black screen is also a sign that a change is in progress. But this is exactly what my parent fortran77 complained about (https://news.ycombinator.com/item?id=21835676 https://news.ycombinator.com/item?id=21835676).