[busywaiting]

> The function of the icon is to have distinct shape so you are able to visually distinguish menu items quickly in future (more you use the app).

In theory, yes. But if you look at the examples in the article, the shapes are basically all similarly-sized circles.

In the Apple example, "System Settings" is circle (A gear with barely discernible teeth.) "Recent Items" is a circle (a clock.) "Force Quit" is a circle (a rounded! octagon.) "Sleep" is...a circle with a line through the bottom third. "Log Out" is...a human silhouette in a circle! (Why?)

It doesn't matter what the icon is as long as the icons are distinct, and today's icons aren't.