I'm already impressed by their progress, but I wouldn't say it puts robots on par with humans when it comes to table tennis.

Another limitation is that most humans[0] cannot actually see the spin that's on a ball, but need to predict it based on relative racquet movement to the ball. In the video, they say that their system measures spin.

[0]: Table tennis legend Timo Boll has stated that he has excellent eyesight, and can actually see the rotation of the ball, which helped him during service receive.

Yeah, the dang thing can reach all the way to the net while standing three feet behind the table