I just wonder if the touch bar was so great, why did they never release it on the wireless magic keyboard? Users have to learn different application-specific wo

I just wonder if the touch bar was so great, why did they never release it on the wireless magic keyboard? Users have to learn different application-specific workflows depending on whether they're on laptop or display and external keyboard. It's optional to keep the same workflow, but then touchbar becomes a worse version of a keyboard with no added functionality.