Not the parent, but I vaguely recall our ethics teacher mentioning some associations advocating for hearing impaired people have, at least in some European coun

Not the parent, but I vaguely recall our ethics teacher mentioning some associations advocating for hearing impaired people have, at least in some European countries, advocated against cochlear implants in young children, mostly on ethical grounds. His whole point being that ethics is not about what some majority might instinctively believe is best for everyone, and that other perspectives must be considered.