an egg directly into a hot frying pan, the egg white cooks quickly and the chalaza can be hidden in the opaque white.
They scramble or bake their eggs. Scrambling or baking eggs mixes everything together, making the chalaza invisible.
They buy older eggs. Older eggs have thinner, less visible chalazae. Commercial eggs might be several weeks old by the time they reach your grocery store.
They don’t look closely. Most people don’t examine their eggs before cooking. They crack, cook, and eat without scrutinizing.
The only reason I noticed
