To add to this, experienced users will often start typing without looking based on what they trust the eventual state of the UI will be. Moving the cursor immediately makes it explicit that this should work.
This is following a more important rule which is "Never make keyboard input timing dependent!" I'm looking at you new Windows start menu and VS Code quick open.
This is following a more important rule which is "Never make keyboard input timing dependent!" I'm looking at you new Windows start menu and VS Code quick open.