AgreedI'm sure it's easy for that to happen... but with a flock of 60+ birds, I had a couple eggs broken and eaten here and there. Even had a broody score one and had her chicks feasting.But with standard making sure no one was standing around the lay boxes who shouldn't be (especially juveniles) the fake eggs, and regular (I mean several times per day) collecting of the fresh laid eggs, and YES adequate nutrition (formulated ration, not diminished by treats), I never had a problem develop... yet. And I would work to identify and cull any habitual offender.
(assuming it wasn't soft or brittle eggs causing the issue)
I do get the occasional poke hole. That might be a peck but I think it could also be a toenail hole. I do agree it's always good to keep an eye out.