A lot of angelfish seem to have lost their parental instincts, it's definitely not unheard of and breeders do regularly remove the eggs to rear the fry. However, if it's the first spawn it's not unusual for any cichlid to fail the first time, or even the second or third. So maybe give them another shot or two before you jump the gun. You could also try removing half if possible.
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The weirdest thing happened today angels spawned again just a week ago they ate there eggs is this common ?