The current US economy is completely dependent on two things. One: low unemployment and steady growth in available jobs. Two: AI getting a return on investment by replacing millions of jobs with computers.
And somehow we are still going about our business like this is totally normal and won't blow up any second now.
Where I live it's the same, the machine does all the work. But there's always one or two dudes that walk ahead of the truck and make sure it's all positioned and spaced correctly. Especially in the city where streets can be narrow and there isn't enough room, they end up just wheeling the bins into the machine a couple at a time.