Apple looking for a "solution" to a problem they're creating themselves.
I don't know why they refuse to use touch displays, especially now when they're using phone processors on all of their devices.
"If Apple is looking to replace the often-disliked Touch Bar, this may be the best way to do it."
Certainly NO, the best way is put the damn touch screen display and normal keyboard in their so people can use Mac and Ipad apps.
A keyboard with displays on the keys already existed a few years ago. Apple reinventing things again...
This has been done a long time ago:
How great it will be keys showing icon to do task in photoshop or ms office easy to learn shortcut.