In the deaf community, there are different types of people who have different philosophies. Some believe that they should only sign. Some believe they should only speak. Some people say you should use cued speech. Some say you should use cochlear implants. Some say you shouldn't sign. Some people say you should sign.
For people who are afraid to talk about cancer, for people who are afraid to communicate with their loved ones about it, and for the people who want to pretend cancer doesn't exist, either delaying diagnosis or not getting regular checkups, the consequences can be fatal. Doing nothing about cancer will kill you.