No one has a problem with releasing hemoglobin producing yeast? No one? That sounds terrifying in that many _other_ industries rely on wild yeast. This goes

No one has a problem with releasing hemoglobin producing yeast? No one? That sounds terrifying in that many _other_ industries rely on wild yeast. This goes beyond the general case for GMO (where wild growth is generally crippled) and involves actively modifying the wider environment. This is a serious problem.