Wouldn't it be more efficient for the robots to do the sorting instead of the humans so there are no mistakes that need correcting. For one thing, when someone

Wouldn't it be more efficient for the robots to do the sorting instead of the humans so there are no mistakes that need correcting. For one thing, when someone puts ie a custard contaminated paper plate in recycling, the custard can contaminate other paper recyclables. Too late to fix. Just do it right the first time. Give it to a robot to sort.