You must be precise with the terminology: Continuous Shuffling Machine VS Automatic Shuffling Machine; they are not interchangeable terms. Must discussions concern the Continuous Shuffling Machine (CSM).
The CSM does not hurt the player, other than eliminating the break for the shuffle and speeding up play. Many players welcome the break caused by the shuffle.
There have been computer studies that indicate that the CSM actually decreases the house edge. However, the difference is so small that it is of no practical value