That’s not the problem. Analog dials were still easier and more convenient. I’m talking CRT days. Like these: https://i.ebayimg.com/images/g/M9cAAOSwrt5ncwpj/s-l1600.jpg

You could probably program keypad knobs like these to do the same: https://m.media-amazon.com/images/I/71s7PGYBkkL._AC_SL1500_....