They definitely aren't Royal Palms, but I think I can explain what might have happened. Alot fo the hatcheries order their eggs especially for things other than chickens. They might have been shipped the wrong eggs and hatched them and sent them unknowingly. Most hatcheries do not keep their...
Maybe that chick was the next step in evolution and it was going to control you with its brainwaves;) No seriously, you did the right thing. I have had a few of these over the years in my hatches. Missing eye, severly curled feet, a misaligned beak (no way it could ever eat). They are rare...
I usually will give mine 24 hours after the majority of them hatch. If they haven't pipped by then I would throw them out. Otherwise you start to get a line that will produce late hatchers in the future and you don't want that. But you can toss them out safely after 48hrs with no pip. Just...