I was diagnosed with severe-profound hearing loss at 8 months old and I wore hearing aids in both ears until I turned 10. Before I got implanted, I had a reasonable-ish knowledge of sign language from school(school for the deaf) so I was exposed to sign language for many years before implant. I did and still sign with my peers, and still do nowadays for myself if I need to. But I can see why people are against CI's and it's fine by me as it is their decision, beliefs and experiences. Sign language is great, it is a form of communicate, another language that should be learnt by the hearing community.