Isn't it also low hanging fruit? My napkin math says truck drivers are a MUCH higher % of ground shipping cost compared to airline pilot and flying cost. Airl

Isn't it also low hanging fruit? My napkin math says truck drivers are a MUCH higher % of ground shipping cost compared to airline pilot and flying cost. Airlines have a lot of staff costs, but those would seem like it would be maintenance and ground crew which is even harder to automate.