There’s an industry article here. They still raise the males that slip through for meat which sucks. But Germany has banned male chick culling so as far as I can tell it’s all hatcheries in Germany using this method, possibly all eggs sold in Germany.

Something doesn’t stop causing suffering because you call it a different name.

It’s extremely rare outside of I think Germany but they have commercial in-ovo sexing for laying chickens now. Living conditions for laying chickens are still fucked though.