Cost vs. utilization is a big issue. About ten years ago, there were Foldmate and Laundroid, robotic laundry folding machines. They worked, but cost too much for home use. Industrial-strength machines which do such jobs exist.[1] They work fine, but you need a hotel or hospital sized laundry operation to keep that machinery busy.

[1] https://news.ycombinator.com/item?id=36491732