That seems like a decent alternative to menus, motivated by exactly the fault with menus I was describing: "Instead of wasting your time searching the menus and toolbars in an attempt find out that action you need right now [...]"
That feature doesn't make menus better. It makes the IDE better, by giving you a way to avoid the menus, because [sigh] menus suck.
sigh
https://blog.jetbrains.com/idea/2009/06/find-action-saves-ti...