Well, “learning the hotkeys” is very useful, but don’t interpret that as though it implies you can operate every feature using only the keyboard.
Can you clarify what exactly you mean by:
?
To set text on a path, you’d need to draw the path. While you can make all the tool selections and so forth, you can’t really “draw” with only the keyboard; nor can you perform the requisite click to set a live insertion point with the Type on a Path tool.