Another large reason for people getting them would be because parents who are unwilling to learn ASL for their children would rather get a magical medical device that will magically make them hearing again.
yep heres my story with magic surgical to cure deafness
we have conduction hearing loss in the family(back in '93 i dont think they had audio bone headphones) and stuff
3 days b4 my 1st bday its tubes surgery to fix my hearing um it made it worse
now my parents wanted a magic fix hearing but ive never had surgery to fix ny other medical issuses WTF
a cast on a badly tumb was neccessary and would have done for an ab