"Their reluctance may also have something to do with losing jobs to
these new sorting machines."

I doubt it Archie. The machines do not get benifits, insurance, etc.
I see a day coming soon when there will be no change people on the casino floor.
Is the day coming when there will be no dealers on the floor? Maybe. There is a poker table that does not require a dealer. It was tested in LV a few years ago. It worked, but a little early for its time.